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Dessert

Mellow Mints

A peppermint hard candy made by boiling sugar, water, cream of tartar, and peppermint oil.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Sugar and cream are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓

Mellow Mints

Ingredients

Directions

The book gives no oven temperature. The 258°F in the steps was added when the recipe was transcribed, as a starting point.

Make the syrup

  1. Boil sugar and water together.

  2. Add cream of tartar and continue boiling until it reaches the soft crack stage (258°F).

Pull and shape

  1. Cool the mixture slightly, then pull it on a hook while adding peppermint oil.

  2. Roll the candy on a surface dusted with powdered sugar.

  3. Pull it into small round strips the size of your finger and the length of the board.

  4. Cut the strips into small pieces with shears.

  5. Let the pieces sit in warm powdered sugar until they grain.

Store

  1. Pack the candies in glass jars and let them mellow for a few days.

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

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

  2. Cream + pepperminttop 20% of all pairs
    Smell alikelow
    Cooked together632 recipes

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

  3. Sugar + pepperminttop 29% of all pairs
    Smell alikelow
    Cooked together2,082 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

What each ingredient does

Sugar
Forms the candy base and sets into a firm, brittle structure as the syrup cools.
Cream of tartar
Acid that helps prevent crystallization, keeping the candy smooth rather than grainy.
Water
Dissolves the sugar so it can be boiled into a clear syrup.
Peppermint oil
Provides the mint flavor and aroma.

The step that matters

Cooking to the soft crack stage. Boiling to 258°F sets the sugar concentration that determines the candy's final firmness. Stopping early leaves it soft and sticky, while going too far makes it hard and brittle.

Swap the peppermint

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

  1. Nutmegfits better
  2. Cinnamonfits better
  3. Gingerfits about as well
  4. Peppermintthe original

Fit is the average pairing score against sugar, cream. 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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