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Dessert

Caramel Icing

A sweet glaze made from brown sugar, cream, butter, vanilla, and walnuts.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Caramel Icing

Why it works: Cream and butter 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 ↓

Caramel Icing

Ingredients

Directions

Make the icing

  1. Combine brown sugar, cream, and butter in a saucepan.

  2. Boil until the mixture forms a soft ball in cold water.

  3. Remove from heat and stir in vanilla.

  4. Beat until it begins to thicken.

Finish and spread

  1. Fold in chopped walnuts and spread on the cake.

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.

Photo for illustrative purposes only · Contact us to use it

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. Cream + buttertop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

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

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

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

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

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

  4. Vanilla + walnuttop 10% of all pairs
    Smell alikestrong
    Cooked together2,730 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  5. Butter + vanillatop 14% of all pairs
    Smell alikemoderate
    Cooked together20,050 recipes

    Shared aroma: guaiacol (smoky, 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

Brown sugar
Provides the sweetness and caramel flavour, and dissolves to form the icing's body.
Very thick sweet cream
Adds fat and moisture, giving the icing a smooth, creamy texture.
Butter
Adds richness and fat, contributing to a smooth texture and flavour.
Chopped walnuts
Add crunch and a nutty flavour that contrasts with the soft icing.

The step that matters

Boil to a soft ball stage. Sugar syrup must reach the soft ball stage so that, as it cools and is beaten, it crystallises into a creamy rather than hard or grainy icing. Undercooking leaves it runny; overcooking makes it set too firm.

Swap the walnut

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

  1. Almondfits better
  2. Chestnutfits better
  3. Hazelnutfits better
  4. Walnutthe original

Fit is the average pairing score against sugar, cream, butter, vanilla. 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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