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Dessert

Washington Taffy

A sweet confection made from molasses, sugar, sweet cream, butter, and vanilla, cooked to ball stage and cut into bars.

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

Washington Taffy

Ingredients

Directions

Make the taffy

  1. Combine molasses and sugar in a large pot over low heat.

  2. Once it starts to boil, add sweet cream and butter while stirring constantly.

  3. Cook the mixture until it reaches the 'ball' stage (262°F in summer, 258°F in winter).

  4. Remove from heat and stir in vanilla.

Shape and wrap

  1. Pour the mixture onto a slab to a thickness of about ½ inch.

  2. When nearly cool, score the taffy with a knife and cut into 2x4 inch bars.

  3. Wrap each bar in wax paper.

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. 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. Molasses + sugartop 11% of all pairs
    Smell alikemoderate
    Cooked together9,225 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  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

Molasses
Provides the dark color, deep flavor and chewy body of the taffy.
Sugar
Sweetens the taffy and, once cooked to the ball stage, sets it firm but chewy.
Sweet cream
Adds richness and softness, making the taffy tender rather than brittle.
Butter
Adds fat for smooth texture and a rich flavor that keeps the taffy from sticking.

The step that matters

Cooking to the ball stage. The final cooking temperature controls firmness. Cooking too little leaves the taffy sticky and soft, while cooking too far makes it hard and brittle once cooled. The target differs with the season because humidity affects how much moisture evaporates.

“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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