Royal Icing, a hard icing used to decorate cakes, cookies, and pastries, is made with egg whites, confectioners' sugar, and flavoring. It creates a variety of decorative effects, from simple piped borders to intricate sugar flowers.
Royal Icing, a hard icing used to decorate cakes, cookies, and pastries, is made with egg whites, confectioners' sugar, and flavoring. It creates a variety of decorative effects, from simple piped borders to intricate sugar flowers.
Ignoring the fat content on mixing bowls remains the single biggest error bakers make when preparing royal icing. Residual grease coats the proteins in the albumen, preventing them from trapping air and building the necessary structural matrix. Bowls must be meticulously cleaned with a paper towel dipped in white vinegar or lemon juice before starting.
Fresh shell eggs provide superior aeration compared to pasteurized carton whites, though carton products offer food safety advantages for long-term room temperature displays. Albumen proteins require mechanical shearing to unfold and entrap air. Whip the whites until frothy before adding any sugar, ensuring maximum volume development. Sift confectioners' sugar through a fine-mesh sieve to eliminate microscopic lumps that will otherwise clog piping tips smaller than number 2.