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Dessert

Plain Water Icing

A simple icing made by mixing boiling water with sifted icing sugar.

From an old cookbook · modernised transcription
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Plain Water Icing

Ingredients

Directions

Make the icing

  1. Mix the boiling water and icing sugar until you achieve a consistency similar to good cream.

Ice the cake

  1. Use the icing while it is warm.

  2. To prevent the icing from cooling, place the bowl with icing in another bowl of hot water while icing.

  3. Smooth the icing on a large cake using a knife dipped in hot water.

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

Icing sugar
Forms the sweet, thick body of the icing as it dissolves in the liquid.
Boiling water
Dissolves the sugar and thins it to a smooth, spreadable consistency.

The step that matters

Keeping the icing warm while spreading. Icing thickens and sets as it cools, so a cool icing becomes stiff and hard to spread smoothly. Keeping the bowl in hot water and dipping the knife in hot water keeps it fluid.

“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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