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Mashed Potatoes

Mashed potatoes with butter, cream, and egg, baked until golden.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Mashed Potatoes

Oven, in the book's wordsThe hot oven

Ingredients

Directions

The book says “the hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Peel and boil the potatoes in just enough salted water to cover them until soft.

  2. Mash the potatoes thoroughly.

  3. Add the butter and cream or milk, mixing well.

Bake and serve

  1. Transfer to a baking dish, smooth the top, and brush with beaten egg.

  2. Make a small hole in the center and place a lump of butter there.

  3. Bake in a hot oven at 400°F (200°C) for 5 minutes.

  4. Serve hot in the baking dish.

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. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

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

  2. Potato + buttertop 13% of all pairs
    Smell alikemoderate
    Cooked together6,456 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  3. Potato + creamtop 17% of all pairs
    Smell alikelow
    Cooked together2,481 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

  4. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Cream + eggtop 24% of all pairs
    Smell alikelow
    Cooked together42,166 recipes

    Shared aroma: acetic acid (sour, vinegar).

Cream and egg barely smell alike, yet cooks put them together in 42,166 recipes: they work on texture and structure more than aroma.

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

What each ingredient does

Potatoes
Provide the starchy base that becomes the bulk and body of the mash.
Butter
Adds fat for richness and a silky mouthfeel, and melts into the top while baking.
Cream or milk
Adds moisture and dairy fat, loosening the mash and making it creamy.
Egg
Brushed on the surface, it gives a glossy top that browns in the oven.

The step that matters

Mash the potatoes thoroughly. Mashing breaks down the cooked potato cells so the mash turns smooth. Overworking released starch can make it gluey, so mash until smooth and stop.

Swap the potato

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

  1. Leekfits about as well
  2. Potatothe original
  3. Asparagusfits about as well
  4. Chivefits about as well

Fit is the average pairing score against butter, cream, 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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