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Walnut Icing

A simple icing made from maple sugar, butter or cream, and chopped walnuts.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Butter and walnut are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 6,832 recipes. Both carry eucalyptol, which smells eucalyptus, herbal. The science ↓

Walnut Icing

Ingredients

Directions

  1. Boil the maple sugar until it reaches a hair-like consistency.

  2. Remove from heat and stir in the butter or cream.

  3. Add the chopped walnuts, mixing well.

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 + walnuttop 15% of all pairs
    Smell alikemoderate
    Cooked together6,832 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  2. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

  3. Sugar + walnuttop 26% of all pairs
    Smell alikemoderate
    Cooked together7,147 recipes

    Shared aroma: 2-nonenal (fatty, green).

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

What each ingredient does

Maple sugar
Provides the sweetness and maple flavor, and sets into a firm icing as it cools.
Butter or cream
Adds fat that softens the texture and gives the icing a smoother, richer mouthfeel.
Walnuts
Add crunch and a nutty flavor that contrasts with the sweet, soft icing.

The step that matters

Boiling the maple sugar to a hair-like consistency. The sugar's concentration decides how the icing sets. Stopping too early leaves it runny and slow to firm, while boiling too long makes it hard and grainy once cooled.

Swap the walnut

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

  1. Almondfits better
  2. Pecansfits better
  3. Filbertfits better
  4. Walnutthe original

Fit is the average pairing score against sugar, butter. 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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