
A historical dessert from The White House cook book; a comprehensive cyclopedia of information for the home .. (1913). The secret of success is to beat the eggs long enough, and always one way; add the powdered sugar by degrees, or it will spoil the froth of the eggs. It requires nicety and care to do it with success.
Preserved exactly as written in the original source
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To one pound of extra refined sugar add one ounce of fine white starch; pound finely together and then sift them through gauze
Beat the whites of three eggs to a froth
Add the powdered sugar by degrees, or it will spoil the froth of the eggs
When all the sugar is stirred in continue the whipping for half an hour longer, adding more sugar if the ice is too thin
Take a little of the icing and lay it aside for ornamenting afterward
When the cake comes out of the oven, spread the sugar icing smoothly over it with a knife and dry it at once in a cool oven
For ornamenting the cake the icing may be tinged any color preferred
For pink, use a few drops of cochineal; for yellow, a pinch of saffron dissolved; for green, the juice of some chopped spinach
Let the coloring be first mixed with a little colorless spirit and then stirred into the white icing until the tint is deep enough
To ornament the cake with it, make a cone of stiff writing paper and squeeze the colored icing through it, so as to form leaves, beading or letters, as the case may be
Modern guidance to help you succeed with this vintage recipe
This historical royal icing relies on extended beating to denature egg white proteins, creating a stable foam network that traps air bubbles. The addition of starch acts as a stabilizer, absorbing excess moisture and preventing the icing from weeping or becoming too soft. Gradual sugar incorporation prevents deflating the foam by allowing proteins to coat each sugar crystal before adding more, maintaining the structure that dries into a hard, smooth shell when baked briefly in a cool oven.
The dry sugar-starch mixture can be sifted and stored in an airtight container up to 1 month in advance. The icing itself should be made fresh and used immediately, as it begins to crust and harden within 20-30 minutes of exposure to air.
Once applied and dried, the icing creates a protective shell that helps preserve the cake. Store the iced cake covered loosely with parchment or wax paper (not plastic, which can make the icing sticky) at room temperature for up to 1 week. The hard icing shell is intentionally durable and should remain crisp in proper conditions.
AI-generated tips from Chef Cecil's culinary database
The dry sugar-starch mixture can be sifted and stored in an airtight container up to 1 month in advance. The icing itself should be made fresh and used immediately, as it begins to crust and harden within 20-30 minutes of exposure to air.
Once applied and dried, the icing creates a protective shell that helps preserve the cake. Store the iced cake covered loosely with parchment or wax paper (not plastic, which can make the icing sticky) at room temperature for up to 1 week. The hard icing shell is intentionally durable and should remain crisp in proper conditions.