WebWhisk together the powdered sugar, corn syrup, milk and vanilla in a bowl. Whisk until the mixture is smooth and glossy. It should be thick if you are using it as a …
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If You Are Looking for Frosting For Sugar Cookies that Hardens this is it! In mixing bowl cream together butter and milk with an electric mixer. Slowly mix in powdered sugar and extracts. Frost sugar cookies immediately. Let frosting harden. Store cookies in air tight container.
A mixture of powdered sugar, milk, and light corn syrup blends together to make smooth, perfect sugar cookie icing. The small amount of corn syrup achieves a shiny, glossy surface, and thickens the frosting to make for easier decorating. When it dries with the milk and powdered sugar, you are left with hard sugar cookie icing.
Divide into as many separate bowls as desired. Add in different food coloring to each bowl beating/whisking until the intensity is achieved. Paint the icing over the cookies using a brush or dip the cookie edges into icing (this will set quite quickly).
It will take 12-24 hours for the icing to harden, depending on the thickness of the frosting. For best results, set decorated cookies on a baking sheet in a single layer and leave overnight. Before stacking, wrapping, or storing the cookies make sure the icing is hard throughout.