A quick and simple icing recipe using just powdered sugar, light corn syrup, and vanilla extract that creates a glossy, hard finish perfect for sugar cookies.
Sift powdered sugar to avoid lumps. Work on cooled cookies to prevent melting. Add liquid sparingly to avoid sticky icing. Let icing dry in a cool, dry place for best results. Use gel food coloring for coloring without thinning. Store icing in airtight container up to 3 days. Avoid refrigeration of iced cookies to prevent condensation.
Keywords: sugar cookie icing, easy icing recipe, 3-ingredient icing, glossy cookie icing, hard finish icing, quick cookie icing