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Tomato Roll

A baked roll made with bread crumbs, nut butter, mashed potatoes, tomatoes, and eggs.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Potato and tomato match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 2,798 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Tomato Roll

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare

  1. Preheat the oven to 350°F (175°C).

  2. In a bowl, mix together the bread crumbs, nut butter, mashed potatoes, salt, and pepper.

  3. Form the mixture into small rolls.

  4. Brush the rolls with melted butter.

Bake

  1. Place the rolls on a baking tin and bake until golden.

  2. For a crisp outside, dip the rolls in a mixture of egg and milk, then roll in bread crumbs or fine oatmeal before baking.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

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. Potato + tomatotop 5% of all pairs
    Smell alikestrong
    Cooked together2,798 recipes

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

  2. Bread + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

  3. Pepper + tomatotop 7% of all pairs
    Smell alikemoderate
    Cooked together17,923 recipes

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

  4. Potato + peppertop 9% of all pairs
    Smell alikemoderate
    Cooked together8,305 recipes

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

  5. Bread + tomatotop 10% of all pairs
    Smell alikemoderate
    Cooked together1,013 recipes

    Shared aroma: 2-nonenal (fatty, green).

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

What each ingredient does

Bread crumbs
Provide the main bulk and structure that holds the rolls together.
Nut butter
Adds fat and richness, giving the rolls a softer, tender interior.
Mashed potatoes
Add moisture and binding so the mixture holds its shape when formed.
Eggs
Bind the coating so it adheres to the rolls and help the outside brown.
Butter
Adds richness and helps the outside of the rolls brown in the oven.

The step that matters

Coating the rolls for a crisp outside. The egg-and-milk dip helps crumbs or oatmeal stick evenly. As the rolls bake, the coating dries and browns, forming a crisp surface. Coating the rolls before baking is what creates this texture.

Swap the tomato

How well each one fits the dish's main ingredients (bread, butter, potato, pepper, egg):

  1. Asparagusfits better
  2. Capsicumfits better
  3. Chivefits about as well
  4. Tomatothe original

Fit is the average pairing score against bread, butter, potato, pepper, egg. 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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