To make frosting for decorating cookies, combine 1 cup confectioners' sugar with 2 teaspoons milk. Add in 2 teaspoons light corn syrup and 1/4 teaspoon almond extract. If the icing is too thick for decorating, add more corn syrup. Add food coloring to create the desired colors for the icing.
For a cookie icing recipe that uses butter and vanilla extract, first beat together 2/3 cup softened butter, 4 cups confectioners' sugar and 2 tablespoons milk for three to four minutes. Add in 1 teaspoon vanilla and any food coloring desired. This icing also serves as a filling between two cookies.
An easy way to apply frosting to cookies is to use squeeze bottles filled with icing. For this method, it is best to have two types of icing, including a border icing and a flood icing. To make the border icing, mix together 1 cup powdered sugar, 1/2 teaspoon vanilla and 2 tablespoons milk, and add food coloring if desired. Pour the border icing into a squeeze bottle, making sure it is just thick enough to pour. Use this icing to trace a border around the cookie's edge and to draw any designs.
Fill in the cookie and the designs using a squeeze bottle filled with flood icing. To make this icing, use the same recipe as the border icing, but use 2 1/2 tablespoons of milk to make the icing a bit thinner.