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Meatloaf I

A loaf of ground beef and pork sausage mixed with vegetables, seasonings, and bread crumbs, baked in the oven.

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Why it works: Sauce and ketchup match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,099 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓

Meatloaf I

Oven350°F, then 400°F
Time25 minutes, then about 35 minutes longer

Ingredients

Directions

Prepare the base

  1. Preheat oven to 350°F.

  2. Melt the butter in a saucepan over medium heat.

  3. Add the onion, celery, meat seasoning, and Worcestershire sauce.

  4. Cook, stirring occasionally and scraping the bottom of the pan until the mixture starts sticking excessively, about 6 minutes.

  5. Stir in the milk and ketchup.

  6. Continue cooking for about 1 minute, stirring occasionally.

  7. Remove from the heat and allow to cool at room temperature.

Mix and shape

  1. Place the beef and pork sausage in a large mixing bowl.

  2. Add the eggs, cooked mixture (from saucepan), and bread crumbs.

  3. Mix by hand, being careful not to over‑mix. Overmixing will make the meat mushy. Blend no longer than necessary to distribute the ingredients.

  4. Place the mixture in an ungreased 9×13" baking dish.

  5. Shape into a loaf, making sure not to touch the sides.

Bake

  1. Bake uncovered for 25 minutes.

  2. Raise the heat to 400°F and continue cooking until done, approximately 35 minutes longer.

Nutrition, whole recipe (rough)

1392Calories
85 gProtein
56 gFat
132 gCarbs

Counts 12 of 13 ingredients. The other 1 aren't in our nutrition table and add nothing above, so the real totals are higher.

What these numbers assume: 12 portions
IngredientPortion assumedkcal
Flour1 cup (125g) all-purpose455
Beef100g cooked250
Pork100g cooked242
Milk1 cup (244ml) whole149
Butter1 tbsp (14g)102
Egg1 large egg (50g)78
Onion1 medium (110g)44
Bell Pepper1 medium (119g)31
Tomato1 medium (123g)22
Soy Sauce1 tbsp (15ml)9
Celery1 stalk (40g)6
Garlic1 clove (3g)4
Meatnot in our table0

One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.

Recipe from the Recipes Wiki (Fandom).

Steps grouped into stages for easier reading; the method is the source's own.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Sauce + ketchuptop 1% of all pairs
    Smell alikestrong
    Cooked together1,099 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  2. Sauce + evaporated milktop 4% of all pairs
    Smell alikestrong
    Cooked together53 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  3. Celery + peppertop 5% of all pairs
    Smell alikestrong
    Cooked together16,012 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  4. Onion + celerytop 7% of all pairs
    Smell alikemoderate
    Cooked together18,518 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Hamburger
Forms the main body of the loaf and provides the meaty texture.
Pork sausage
Adds fat and flavor, keeping the loaf moist as it cooks.
Eggs
Bind the meat and bread crumbs so the loaf holds its shape when sliced.
Bread crumbs
Absorb liquid and fat, helping the loaf stay tender and moist.
Ketchup
Adds sweetness and acidity, and helps moisture and browning on the surface.
Evaporated milk
Adds moisture and softness to the meat mixture.

The step that matters

Mix gently and only until combined. Overworking ground meat develops its proteins and binds it tightly, producing a dense, rubbery, or mushy loaf instead of a tender one.

Swap the celery

How well each one fits the dish's main ingredients (butter, onion, pepper, meat, sauce, evaporated milk, ketchup):

  1. Garlicfits about as well
  2. Celerythe original
  3. Parsleyfits about as well
  4. Thymefits about as well

Fit is the average pairing score against butter, onion, pepper, meat, sauce, evaporated milk, ketchup. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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