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Sauce

Syrup for Crystalizing

A sugar syrup used to crystallize confections, made by dissolving sugar in water, cooking to 340–350°F, adding acetic acid, and cooling.

From an old cookbook · modernised transcription
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Syrup for Crystalizing

Ingredients

Directions

The book gives no oven temperature. The 340°F (170°C) in the steps was added when the recipe was transcribed, as a starting point.

Make the syrup

  1. Dissolve the sugar in water and cook to 340°F (170 °C) for fine crystals or 350°F (175 °C) for coarse crystals.

  2. Add a few drops of acetic acid and remove from heat.

  3. Cover the pan and let it rest undisturbed until cool.

Crystallize and drain

  1. Carefully pour the syrup over the arranged goods in pans until covered.

  2. Allow to stand undisturbed for 10 to 12 hours at room temperature.

  3. Make an opening in the crust formed on the surface.

  4. Tip the pans to drain until dry.

  5. Turn out the goods from the pan when ready for use.

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

What each ingredient does

Sugar
Forms the syrup that recrystallizes into a crystalline coating as it cools and stands.
Acetic acid
Helps prevent large sugar crystals from forming, keeping the coating smoother.

The step that matters

Cooking the syrup to the right temperature. The final temperature sets the sugar concentration and therefore crystal size: 340°F (170 °C) gives fine crystals and 350°F (175 °C) gives coarse ones. Going past the target changes the result, so the thermometer reading matters.

“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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