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Dessert

Raspberry or Rose Cream Bars

A candy bar made from a mixture of white sugar, water, glucose, raspberry or rose flavoring, chocolate, and blue food coloring.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Raspberry and chocolate work together. They rank in the top 12% of all ingredient pairs, and cooks put them together in 457 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Raspberry or Rose Cream Bars

Ingredients

Directions

The book gives no oven temperature. The 243°F (117°C) in the steps was added when the recipe was transcribed, as a starting point.

Make the candy base

  1. Melt the sugar in the water over medium heat.

  2. Add the glucose and boil until it reaches 243°F (117°C).

  3. Pour the mixture onto a slab and let it cool.

Color and shape

  1. Divide the cooled mixture into three parts.

  2. Color one part red with raspberry or rose flavoring.

  3. Add pure chocolate to the second part until it reaches a rich brown color.

  4. Add a pinch of blue food coloring to the third part.

  5. Rub each part on the slab until smooth.

  6. Melt each portion separately until soft enough to pour.

Layer and set

  1. Pour the red mixture onto the slab.

  2. Pour the chocolate mixture on top of the red.

  3. Pour the white mixture on top of the chocolate.

  4. Allow to set.

  5. Cut into bars.

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. Raspberry + chocolatetop 12% of all pairs
    Smell alikemoderate
    Cooked together457 recipes

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

  2. Sugar + chocolatetop 13% of all pairs
    Smell alikemoderate
    Cooked together15,404 recipes

    Shared aroma: guaiacol (smoky, sweet).

  3. Sugar + raspberrytop 21% of all pairs
    Smell alikelow
    Cooked together3,101 recipes

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

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

What each ingredient does

White sugar
Forms the main sweet candy structure when melted and boiled with water.
Glucose
Helps prevent crystallization, keeping the candy smooth and glassy.
Pure chocolate
Adds flavor and browns the second layer to a rich color.

The step that matters

Boil to 243°F (117°C). Boiling to this temperature sets the sugar concentration needed for the candy to harden properly when cooled. Under-boiling leaves it soft and sticky, while over-boiling makes it brittle and hard to work.

Swap the raspberry

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

  1. Vanillafits better
  2. Coconutfits about as well
  3. Cherryfits about as well
  4. Raspberrythe original

Fit is the average pairing score against sugar, chocolate. 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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