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Dessert

White Icing

A sweet icing made from sugar, water, cream of tartar, egg whites, butter, milk, and vanilla.

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 ↓

White Icing

Ingredients

Directions

Make the syrup

  1. Add 1 level tablespoonful of cold water, 1 level tablespoonful of cream of tartar, and 2 egg whites.

  2. Stir 2 cups of granulated sugar and the water until it begins to boil.

  3. Do not touch it, as it will grain.

  4. Add the cream of tartar to the sugar before pouring in the water.

  5. Boil until it hairs from spoon.

Finish the icing

  1. Beat into the stiffly-beaten whites.

Nutrition, whole recipe (rough)

441Calories
15 gProtein
30 gFat
26 gCarbs

Counts 6 of 7 ingredients. The other 1 aren't in our nutrition table and add nothing above, so the real totals are higher.

What these numbers assume: 6 portions
IngredientPortion assumedkcal
Milk1 cup (244ml) whole149
Butter1 tbsp (14g)102
Egg1 large egg (50g)78
Cream1 tbsp (15ml) heavy51
Sugar1 tbsp (12.5g) granulated49
Vanilla1 tsp extract (4ml)12
Waternot in our table0

One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.

By Colville, Jessie Henderson. [from old catalog]. 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. See the original page.

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

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

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

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

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

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

  5. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

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

Granulated sugar
Provides sweetness and forms the syrup that sets the icing's body.
Egg whites
Whipped into a foam that gives the icing its light, stiff structure.
Cream of tartar
Adds acidity that stabilizes the egg white foam and helps keep the sugar smooth.

The step that matters

Boil until it hairs from spoon. Sugar syrup must reach the right concentration to set properly, so the cook has to judge the thread stage by eye. Stirring after boiling starts, or cooking too far, can make the sugar recrystallize and turn grainy.

“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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