waterused to thin icing to desired consistency, add roughly 1/2 tsp at a time~½ tspest.
gel food coloringany color of your choice~¼ tspest.
Steps
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1
Crack the 3 egg whites into a separate bowl, checking for shells and making sure no yolk gets in.
2
Pour the egg whites into a stand mixer fitted with the whisk attachment and beat on medium-low for about a minute until frothy.
3
Gradually add the sifted powdered sugar into the egg whites, mixing continuously to avoid lumps.
4
Add the vanilla extract and mix in (you can substitute almond extract, orange blossom water, or rosewater for a clearer color).
5
Once all the sugar is incorporated, increase the mixer speed to medium-high and whip for about 4 minutes until the icing forms stiff, glossy peaks.
6
Pipe a small test amount onto parchment paper or the back of a spatula — it should hold its shape without drooping, confirming the piping consistency is right.
7
Divide the icing into small bowls and use a toothpick to add a small amount of concentrated gel food coloring to each batch, mixing gently until evenly colored.
8
Keep some of each colored icing at the thicker consistency for outlining; thin the rest with water (starting with about 1/2 tsp) to a flooding consistency where drizzled icing quickly disappears back into itself for filling.
9
Transfer the icings into piping bags — use a small round tip for the stiffer outlining icing, and simply snip the tip for the thinner flooding icing.
10
On a baked sugar cookie, pipe an outline about a quarter inch above the cookie surface, letting the icing trail down to form a clean border.
11
Flood the inside of the outline with the thinner icing to create a smooth, glossy surface, being careful not to overfill so it doesn't spill over the edge.
12
Use a toothpick to pop any bubbles and smooth out the icing as needed, then set the decorated cookie aside somewhere safe until it dries completely.
13
Once the base layer is dry, add additional layers of detail with more icing colors, sanding sugar, or sugar pearls for extra texture and dimension.