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Mont d'Or Potatoes

A creamy mashed potato dish with onion, egg yolk, butter, milk, and Swiss cheese.

From the Recipes Wiki (Fandom) · 8 ingredients
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Why it works: Potato and onion are a kitchen classic. They rank in the top 3% of all ingredient pairs, and cooks put them together in 9,023 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Mont d'Or Potatoes

Oven450°F

Ingredients

Directions

Boil the potatoes

  1. Peel potatoes and cut lengthwise in half, then cut each half crosswise into 4 pieces.

  2. Put pieces in pan, add onion and water to cover, and add salt if desired.

  3. Bring to boil and let cook about 15 minutes or until potatoes are tender.

  4. Preheat oven to 450°F or preheat broiler.

Mash and season

  1. Drain potatoes and pour and scrape the solids into a sieve or ricer.

  2. Push the vegetables through ricer into pan.

  3. Add egg yolk and butter to potatoes and stir to mix thoroughly.

  4. Add salt and pepper.

  5. Beat in milk.

Bake and serve

  1. Spoon and scrape potato mixture into a small baking dish, heap it up and smooth it over.

  2. Sprinkle with cheese.

  3. If the potato mixture is hot, run it under the broiler until browned on top.

  4. If it isn't too hot, put in oven and bake for 5 to 10 minutes.

Nutrition, whole recipe (rough)

653Calories
27 gProtein
34 gFat
62 gCarbs
What these numbers assume: 8 portions
IngredientPortion assumedkcal
Potato1 medium (173g) baked161
Milk1 cup (244ml) whole149
Cheese1 oz (28g) cheddar113
Butter1 tbsp (14g)102
Egg1 large egg (50g)78
Onion1 medium (110g)44
Black Pepper1 tsp ground (2.3g)6
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. Potato + oniontop 3% of all pairs
    Smell alikemoderate
    Cooked together9,023 recipes

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

  2. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  3. Butter + cheesetop 8% of all pairs
    Smell alikemoderate
    Cooked together7,962 recipes

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

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

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

  5. Potato + milktop 9% of all pairs
    Smell alikemoderate
    Cooked together3,611 recipes

    Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).

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

What each ingredient does

Potatoes
Starch that cooks soft and mashes into a fluffy, creamy base.
Egg yolk
Adds richness and helps the mash hold together and set lightly.
Butter
Adds fat for richer flavour and a smoother, silkier texture.
Milk
Adds moisture so the mash becomes smooth and spreadable.
Cheese
Melts and browns on top, adding savoury flavour and a golden crust.

The step that matters

Checking the heat before baking. If the mash is still hot, baking can dry it and over-brown the top, so a quick broil is used instead; if it has cooled, baking heats it through. Judging the temperature decides which method gives an even, golden top.

Swap the onion

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

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

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