• Cream the butter and sugar together in the bowl of a stand mixer. Beat in eggs and vanilla. Stir in flour, baking powder and salt. Cover and chill the dough for at least one hour to overnight.
• Preheat oven to 400 degrees. Roll out the dough on a floured surface ¼-1/2 inch thick. Cut into shapes with cookie cutters. Place cookies 1 inch apart on a parchment lined baking sheet.
• Bake 6-8 minutes. Cool completely before decorating.

Decorating Icing

• Mix together the powdered sugar and ¼ cup milk.
• Add in the vanilla extract and corn syrup. Mix well.
• Make the outline icing the consistency of toothpaste.
• Add milk, one tablespoon at a time, to make the icing the consistency of syrup for the fill icing.
• Add gel food coloring to achieve desired colors.