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Dessert

Chocolate Pie

A chocolate pie with a butter-sugar crust and chocolate frosting.

From an old cookbook · modernised transcription
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Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓

Chocolate Pie

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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Make the batter

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

  2. Cream the butter and sugar together until light and fluffy.

  3. Add the eggs and mix well.

  4. In a separate bowl, combine the flour, baking soda, and cream of tartar.

  5. Gradually add the dry ingredients to the butter mixture, alternating with the milk.

  6. Pour the batter into a pie crust and bake for 25-30 minutes.

Make the frosting and finish

  1. For the frosting, beat the egg whites until stiff peaks form.

  2. Gradually add the sugar and continue beating until glossy.

  3. Fold in the chocolate and vanilla extract.

  4. Spread the frosting over the cooled pie.

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. Milk + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  2. Chocolate + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together10,020 recipes

    Shared aroma: sotolon (curry, maple).

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

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

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

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

  5. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

    Shared aroma: beta-damascenone (apple, rose).

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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

Butter
Creams with sugar to trap air and add richness and a tender texture.
Flour
Provides the structure that holds the cake-like pie together as it sets.
Eggs
Bind the batter and add structure and richness as they set in the oven.
Baking soda
Reacts with the acid in the cream of tartar to release gas, helping the pie rise.
Cream of tartar
Acidic partner to baking soda, producing gas for lift and stabilizing the mixture.
Egg whites
Whipped to stiff peaks to form a light, stable foam for the frosting.

The step that matters

Beating the egg whites to stiff peaks. Egg whites must be beaten until stiff peaks form, as their trapped air gives the frosting its volume and lightness. Underbeaten whites stay runny and deflate, while overbeaten whites turn dry and grainy. Adding sugar gradually helps stabilize the foam.

“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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