Easy Sugar Cookies & Sugar Cookie Frosting

Name: Easy Sugar Cookies & Sugar Cookie Frosting
Prep time: 1 h
Cook time: 10 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 1 cup unsalted butter (softened to room temperature (226g)); 1 cup sugar ((200g)); 1 1/2 teaspoons vanilla extract²; 1 large egg; 2 1/2 cups all-purpose flour ((315g)); 3/4 teaspoon baking powder; 3/4 teaspoon salt; 3 cups powdered sugar, sifted ((375g)); 3-4 Tablespoons milk; 2 Tablespoons light corn syrup; 1/2 teaspoon vanilla extract; Gel food coloring (optional); Additional candies and sprinkles for decorating (optional)