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Dessert

Plain Water Icing

A simple icing made from icing sugar and boiling water.

From an old cookbook · modernised transcription
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Plain Water Icing

Ingredients

Directions

Make the icing

  1. Mix the icing sugar and boiling water 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 the 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
Provides sweetness and body, and sets to a smooth, firm finish as it dries.
Boiling water
Dissolves the sugar and loosens it to a creamy, spreadable consistency.

The step that matters

Keeping the icing warm. Icing thickens as it cools, so keeping the bowl in hot water keeps it smooth and spreadable while you work. If it stiffens, it becomes hard to spread evenly over the cake.

“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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