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Meat Loaf with Variations

A loaf of ground beef mixed with bread crumbs, onion, eggs, Worcestershire sauce, mustard, salt, pepper, and milk, baked.

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Why it works: Onion and mustard match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 9,259 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Meat Loaf with Variations

Oven350°F
Time45 minutes

Ingredients

Directions

Prepare

  1. Preheat the oven to 350°F.

  2. Butter a loaf pan.

Make and bake

  1. Combine all the ingredients in a large bowl.

  2. Pat the mixture into the loaf pan.

  3. Bake for 45 minutes.

Nutrition, whole recipe (rough)

994Calories
56 gProtein
30 gFat
120 gCarbs
What these numbers assume: 9 portions
IngredientPortion assumedkcal
Flour1 cup (125g) all-purpose455
Beef100g cooked250
Milk1 cup (244ml) whole149
Egg1 large egg (50g)78
Onion1 medium (110g)44
Soy Sauce1 tbsp (15ml)9
Black Pepper1 tsp ground (2.3g)6
Mustard1 tsp (5g) yellow3
Salt1 tsp (6g)0

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. Onion + mustardtop 6% of all pairs
    Smell alikestrong
    Cooked together9,259 recipes

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

  2. Onion + beeftop 7% of all pairs
    Smell alikemoderate
    Cooked together17,092 recipes

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

  3. Mustard + peppertop 9% of all pairs
    Smell alikemoderate
    Cooked together15,430 recipes

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

  4. Beef + peppertop 10% of all pairs
    Smell alikemoderate
    Cooked together18,971 recipes

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

  5. Bread + milktop 11% of all pairs
    Smell alikemoderate
    Cooked together11,466 recipes

    Shared aroma: 2-undecenal (sweet).

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

What each ingredient does

Ground beef
Provides the bulk and rich flavor of the loaf.
Eggs
Bind the mixture so the loaf holds its shape when sliced.
Bread crumbs
Absorb liquid and keep the loaf tender rather than dense.
Milk
Adds moisture so the loaf stays juicy as it bakes.
Onion
Adds savory sweetness and moisture to the meat mixture.

Swap the mustard

How well each one fits the dish's main ingredients (bread, onion, egg, beef, sauce, pepper, milk):

  1. Capsicumfits better
  2. Tomatofits better
  3. Potatofits better
  4. Mustardthe original

Fit is the average pairing score against bread, onion, egg, beef, sauce, pepper, milk. 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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