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Dessert

Water Icing

A simple icing made by mixing confectioner's sugar with either cold or boiling water.

From an old cookbook · modernised transcription
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Water Icing

Ingredients

Directions

The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare

  1. Sift the confectioner's sugar into a bowl.

Make the icing

  1. For plain water icing, mix the sifted sugar with cold water until smooth.

  2. For boiled water icing, mix the sifted sugar with boiling water until smooth.

Finish

  1. If using plain water icing, set the iced goods in a 400°F (200°C) oven for a few seconds to dry.

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

Confectioner's sugar
Provides sweetness and the bulk that forms the icing.
Cold water
Dissolves the sugar into a smooth, thin icing for a plain finish.
Boiling water
Dissolves the sugar more fully, giving a smoother, glossier icing that sets with a sheen.

The step that matters

Sifting the confectioner's sugar. Sugar lumps left in the icing will not dissolve fully and leave a grainy texture. Sifting breaks up clumps so the icing mixes smooth.

“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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