Healthy Food Guide by KarbCoach

Stouffer's Party Size Classic Lasagna With Meat & Sauce: Food Integrity analysis

Updated 2026-10-17 · Stouffer's

Quick answer

Mixed integrity

Stouffer's party size classic lasagna with meat & sauce received a Food Integrity Score of 62 out of 100 (mixed integrity). This reflects highly processed and moderate additive load. This is a recognizable lasagna at its core, with tomato, pasta, beef, and cheese doing the main work. The added modified food starch, xanthan gum, and autolyzed yeast extract push it toward a shelf-stable, engineered texture and flavor profile, so it's better as an occasional convenience meal than an everyday staple. Main considerations include modified food starch used for texture, xanthan gum and autolyzed yeast extract add formulation layers, and refined sugar and broad spice category. Simpler options: Choose a lasagna listing only cheese, tomato, pasta, and meat without modified starch or gums; making a simple lasagna at home lets you control the sugar and spice blend.

Food Integrity Score 62/100

What stood out on the label?

  • Highly processed
  • Moderate additive load
  • Transparency: High

What to watch?

  • Modified food starch used for texture
  • Xanthan gum and autolyzed yeast extract add formulation layers
  • Refined sugar and broad spice category

Simpler options to consider

  • Choose a lasagna listing only cheese, tomato, pasta, and meat without modified starch or gums
  • Making a simple lasagna at home lets you control the sugar and spice blend

You are viewing ingredients and processing. Switch to Longevity for nutrition and longer-term eating pattern fit.

Source data, GTIN, and Healthy Food Guide analysis details

Product facts

Product
Stouffer's Party Size Classic Lasagna With Meat & Sauce
Category
Prepared Meals (source: Ready-Made Combination Meals)
GTIN / UPC
00013800551313
Serving size
240 g (1 cup (240g))
Source data — ingredients
Ingredient list from product label data (see Sources)
Healthy Food Guide analysis
Independent Longevity and Food Integrity scorecards. See methodology under Sources.
Data last verified

Food Integrity results

Party Size Classic Lasagna With Meat & Sauce

Stouffer's

Mixed integrity

Warning Signs

Modified food starch and xanthan gum add texture-engineering inputs that a homemade lasagna wouldn't need.

Consider This

Autolyzed yeast extract and generic spices quietly add flavor systems that make this read like a factory-formulated meal.

Good Substitutes

Try a simple lasagna built from crushed tomatoes, fresh pasta, ground beef, and block mozzarella and Parmesan you grate yourself.

Overall Assessment

Mixed integrity

This is a recognizable lasagna at its core, with tomato, pasta, beef, and cheese doing the main work. The added modified food starch, xanthan gum, and autolyzed yeast extract push it toward a shelf-stable, engineered texture and flavor profile, so it's better as an occasional convenience meal than an everyday staple.

Key Highlights

What stood out

  • Modified food starch used for texture
  • Xanthan gum and autolyzed yeast extract add formulation layers
  • Refined sugar and broad spice category

Family Watchlist

Ingredients some users may personally want to know about.

  • Modified food starch — Texture-engineering starch
  • Xanthan gum — Gum used for texture and stability
  • Autolyzed yeast extract — Flavor-enhancing extract
  • Sugar — Refined sweetener
  • Spices — Vague category

Highest concern ingredients

  • Xanthan gum (6/10) — Texture and stability gum
  • Autolyzed yeast extract (6/10) — Flavor-enhancing extract
  • Modified food starch (cheese blend) (5/10) — Texture-engineering starch

Better choice tips

  • Choose a lasagna listing only cheese, tomato, pasta, and meat without modified starch or gums.
  • Making a simple lasagna at home lets you control the sugar and spice blend.

Ingredients

Ingredient list

TOMATO PUREE (WATER, TOMATO PASTE), COOKED PASTA (WATER, SEMOLINA WHEAT FLOUR), WATER, COOKED BEEF, LOW-MOISTURE PART SKIM MOZZARELLA CHEESE (CULTURED PART-SKIM MILK, SALT, ENZYMES), PART SKIM MOZZARELLA CHEESE AND MODIFIED FOOD STARCH (PART-SKIM MOZZARELLA CHEESE [CULTURED MILK, SALT, ENZYMES], MODIFIED FOOD STARCH, SKIM MILK), 2% OR LESS OF MODIFIED FOOD STARCH, SALT, DRIED ONIONS, SUGAR, PARMESAN CHEESE (CULTURED MILK, SALT, ENZYMES), SPICES, XANTHAN GUM, DRIED GARLIC, AUTOLYZED YEAST EXTRACT.

Formulations can vary — check the package label for the final word.

Highest-concern ingredients first. Expand an item for notes.

  1. Xanthan gumConcern 6/10 — Moderate concernThickenerWatchlist · Additive

    What this is

    Thickener

    Processing category

    Synthetic / man-made

    Main concern area

    Additive load

    Why it matters

    Gum used for texture and stability rather than as a food on its own.

    Additional note

    Fermentation-derived gum used as a thickener and stabilizer.

    Family watchlist

    Gum used for texture and stability.

  2. Autolyzed yeast extractConcern 6/10 — Moderate concernFlavor enhancerWatchlist · Additive

    What this is

    Flavor enhancer

    Processing category

    Processed

    Main concern area

    Family Watchlist

    Why it matters

    Flavor-enhancing extract adds a formulation layer to the savory profile.

    Additional note

    Yeast extract used as a flavor enhancer.

    Family watchlist

    Flavor-enhancing extract used for savory taste.

  3. Part skim mozzarella cheese and modified food starch (part-skim mozzarella cheese [cultured milk, salt, enzymes], modified food starch, skim milk)Concern 5/10 — Moderate concernModified starchWatchlist · Additive

    What this is

    Modified starch

    Processing category

    Processed

    Main concern area

    Family Watchlist

    Why it matters

    Modified starch is a texture helper rather than a whole-food ingredient.

    Additional note

    Cheese blend with modified food starch added for texture.

    Family watchlist

    Modified starch used as a texture helper.

  4. 2% or less of modified food starchConcern 5/10 — Moderate concernThickenerWatchlist · Additive

    What this is

    Thickener

    Processing category

    Processed

    Main concern area

    Additive load

    Why it matters

    Second modified starch entry adds to the texture-engineering load.

    Additional note

    Additional modified starch used for thickening and texture.

    Family watchlist

    Modified starch thickener adds formulation load.

View all 15 ingredient assessments
  1. SpicesConcern 5/10 — Moderate concernVague ingredientWatchlist · Vague label term

    What this is

    Vague ingredient

    Processing category

    Unknown / not listed

    Main concern area

    Family Watchlist

    Why it matters

    Broad spice category hides exact sources and blend composition.

    Additional note

    Broad category entry with unspecified spice sources.

    Family watchlist

    Vague spice category with unspecified blend.

  2. SugarConcern 4/10 — Mild concernSweetenerWatchlist

    What this is

    Sweetener

    Processing category

    Natural refined

    Main concern area

    Family Watchlist

    Why it matters

    Refined sweetener added to a savory dish.

    Additional note

    Added sugar for sweetness and balance.

    Family watchlist

    Refined sweetener in a savory product.

  3. Cooked pasta (water, semolina wheat flour)Concern 3/10 — Mild concernRefined grain

    What this is

    Refined grain

    Processing category

    Natural refined

    Main concern area

    Processing

    Why it matters

    Refined wheat flour is common but less whole-grain than fresh pasta alternatives.

    Additional note

    Semolina flour is a refined wheat base, cooked for serving.

  4. Low-moisture part skim mozzarella cheese (cultured part-skim milk, salt, enzymes)Concern 2/10 — Very low concernSimple food

    What this is

    Simple food

    Processing category

    Processed

    Why it matters

    Simple cheese with a short recognizable ingredient list.

    Additional note

    Standard mozzarella made from cultured milk, salt, and enzymes.

  5. Parmesan cheese (cultured milk, salt, enzymes)Concern 2/10 — Very low concernSimple food

    What this is

    Simple food

    Processing category

    Processed

    Why it matters

    Simple cheese with a short recognizable ingredient list.

    Additional note

    Standard aged cheese made from cultured milk, salt, and enzymes.

  6. Tomato puree (water, tomato paste)Concern 1/10 — Very low concernSimple food

    What this is

    Simple food

    Processing category

    Whole food

    Why it matters

    Recognizable tomato base with minimal processing.

    Additional note

    Tomato-based base with water added to the puree.

  7. Cooked beefConcern 1/10 — Very low concernSimple food

    What this is

    Simple food

    Processing category

    Whole food

    Why it matters

    Recognizable protein with category-normal cooking.

    Additional note

    Cooked ground beef as the protein component.

  8. SaltConcern 1/10 — Very low concernSimple food

    What this is

    Simple food

    Processing category

    Natural refined

    Why it matters

    Common seasoning with minimal concern at this level.

    Additional note

    Basic seasoning salt.

  9. WaterConcern 0/10 — No meaningful concernSimple food

    What this is

    Simple food

    Processing category

    Whole food

    Why it matters

    Plain water with no concern.

    Additional note

    Plain water used as a base.

  10. Dried onionsConcern 0/10 — No meaningful concernSimple food

    What this is

    Simple food

    Processing category

    Whole food

    Why it matters

    Recognizable vegetable with category-normal drying.

    Additional note

    Dehydrated onion for flavor.

  11. Dried garlicConcern 0/10 — No meaningful concernSimple food

    What this is

    Simple food

    Processing category

    Whole food

    Why it matters

    Recognizable seasoning with category-normal drying.

    Additional note

    Dehydrated garlic for flavor.

This Food Integrity score estimates how close a food's ingredient list is to a simple, recognizable profile. It is not a medical safety rating. Formulations can vary by region, size, and packaging. Check the package label for ingredients, allergens, and nutrition. Not medical advice — do not use this site or the KarbCoach mobile app for allergy or health decisions.

How this product may fit different goals

The same food can look different depending on what matters most to you. Here is a general preview of how this product may align with several common goals.

  • Low-Spike Stability

    Watch-outs

    Metabolic Health

    For someone prioritizing Low-Spike Stability, the analysis identifies considerations that may matter more than the general product score alone.

    A consideration: Sweetener/sugar on watchlist (see Food Integrity)

    This product has 1 additional signal for this goal.

    See more for this goal

  • Heart-Healthy Eating

    Watch-outs

    Metabolic Health

    For someone prioritizing Heart-Healthy Eating, the analysis identifies considerations that may matter more than the general product score alone.

    A consideration: Ingredients often higher in saturated fat (Mentions "cheese". See ingredients for details.)

    This product has 1 additional signal for this goal.

    See more for this goal

  • GLP-1 Eating Support

    Mixed

    Metabolic Health

    For someone prioritizing GLP-1 Eating Support, the same nutrition and ingredient data show both supportive signals and tradeoffs.

    A tradeoff: Sweetener/sugar ingredients (Mentions "sugar". See ingredients for details.)

    This product has 1 additional signal for this goal.

    See more for this goal

  • Low Sugar Lifestyle

    Watch-outs

    Metabolic Health

    For someone prioritizing Low Sugar Lifestyle, the analysis identifies considerations that may matter more than the general product score alone.

    A consideration: Sweetener/sugar on watchlist (see Food Integrity)

    This product has 1 additional signal for this goal.

    See more for this goal

  • Appetite & Portion Awareness

    Mixed

    Metabolic Health

    For someone prioritizing Appetite & Portion Awareness, the same nutrition and ingredient data show both supportive signals and tradeoffs.

    A tradeoff: Sweetener/sugar ingredients (Mentions "sugar". See ingredients for details.)

    This product has 1 additional signal for this goal.

    See more for this goal

  • Workout Recovery

    Supportive

    Athletic Performance

    For someone prioritizing Workout Recovery, the available data suggest this product may align in helpful ways.

    A supportive signal: Protein ingredients (Mentions "beef". See ingredients for details.)

    See more for this goal

See how this product fits your goals

Choose what matters most to you and explore a more detailed interpretation of this product's nutrition, ingredients, and tradeoffs.

Personalize this analysis

Understanding the Food Integrity analysis

What the Food Integrity analysis evaluates

The Food Integrity analysis focuses on how a packaged food is formulated and made. It examines processing level, ingredient quality, additives, oils, sweeteners, purity cues, and how clearly a label communicates what is in the product. The Food Integrity Score summarizes that formulation and transparency picture on a 0–100 scale. It is not a full nutrient report and it is not a personalized meal plan.

Why processing, ingredients, and transparency matter

Processing level and ingredient quality shape what you are actually eating beyond calories on the label. Additives, industrial oils, and intense sweeteners can change how clean or heavily engineered a product feels, even when the front of pack looks wholesome. Purity and transparency matter because incomplete or marketing-heavy labeling can hide tradeoffs that only show up when the full ingredient list is reviewed carefully.

Who may prioritize Food Integrity

Some people care mainly about Food Integrity because their dietary goals center on formulation rather than macros alone. Examples include checking vegetarian or vegan suitability, preferring simpler ingredient sources, avoiding certain additives or sweeteners, watching oil choices, or preferring less processed options. For those priorities, the Food Integrity Score can be the more practical first read.

How Food Integrity differs from Longevity

Food Integrity is the focused analysis of processing, ingredients, additives, purity, and transparency. Longevity is the broader analysis of nutritional composition, metabolic and dietary characteristics, processing, and ingredient quality together. Favorable nutrition values do not necessarily mean strong Food Integrity: a product can look balanced on macros yet still rely on heavy processing or additives that the Food Integrity analysis flags in more detail.

Why the two analyses overlap—and why to review Longevity too

The analyses overlap intentionally. Food Integrity–related characteristics contribute to Longevity, and Longevity still benefits from the same ingredient-quality lens. They are not competing verdicts; they answer different questions at different depths. Reviewing the Longevity analysis can add information about nutritional composition, metabolic characteristics, and dietary balance that Food Integrity alone does not emphasize. Looking at both usually gives the most complete understanding of tradeoffs.

Common questions about this product

Is Stouffer's Party Size Classic Lasagna With Meat & Sauce highly processed?

Food Integrity lists processing level as Highly processed. That reflects formulation and processing signals from the ingredient analysis — not a medical or regulatory classification.

Why are the Longevity and Food Integrity scores different?

Longevity emphasizes nutrition per serving and longer-term dietary alignment. Food Integrity emphasizes ingredients, additives, processing, and label transparency. The same product can score differently on those lenses.

How much fiber is in one serving?

Stouffer's Party Size Classic Lasagna With Meat & Sauce shows about 2.88g of fiber per labeled serving in the Longevity nutrition facts.

Does it contain added sugar?

Stouffer's Party Size Classic Lasagna With Meat & Sauce: 7.01g total sugar per serving; sweetener signals include sugar. Confirm the current package Nutrition Facts and ingredient list.

What helped the Longevity Score?

Key positives called out in the analysis include: Good protein per serving (about 19g); Tomato-based sauce with recognizable core ingredients; Real cooked beef as primary protein.

What prevented a perfect Longevity Score?

Key concerns noted include: High sodium (about 1,020mg per serving); Refined semolina pasta with low fiber; Multiple cheeses and modified starches add processing.

Who might evaluate this product differently?

People prioritizing different goals (for example lower carbs, higher protein, or minimally processed eating) may weigh the same prepared meals differently. Use the goal preview on this page, then personalize in KarbCoach for your priorities.

Source data and Healthy Food Guide analysis

  1. Public label databases (including USDA FoodData Central and Open Food Facts) — Possible sources for package ingredients and nutrition.
  2. Healthy Food Guide analysis (Longevity and Food Integrity) — Independent Longevity and Food Integrity scorecards.
  3. How the Longevity Score is calculated
  4. How the Food Integrity Score is calculated
  5. Scoring models: KarbCoach Longevity and Food Integrity.
  6. Independent analysis. No manufacturer affiliation.
  7. Formulations can vary by region, size, and packaging. Check the package label for ingredients, allergens, and nutrition. Not medical advice — do not use this site or the KarbCoach mobile app for allergy or health decisions. Full sources and safety details.
Label accuracy and safety information

Formulations can vary by region, size, and packaging. Check the package label for ingredients, allergens, and nutrition. Not medical advice — do not use this site or the KarbCoach mobile app for allergy or health decisions.

Sources, citations & safety

See how this item lines up with your goals

Healthy Food Guide covers this product in detail. In KarbCoach, your goals shape what matters most for your meals.