In large bowl, beat butter and sugar with electric mixer until light and fluffy. Add egg, milk, 1 tsp Crisp Champagne and 1/2 tsp Creamy Vanilla Custard Flavors; mix well. Combine flour, baking powder and salt; gradually add to butter mixture, mixing to make a smooth dough. Do not chill. Place dough into cookie press and press cookies onto ungreased cookie sheet.
Bake 10-12 minutes or until lightly browned around edges. Cool 2 minutes on pan on cooling grid. Remove cookies from cookie sheet; cool completely on cooling grid.
For filling, beat butter, 13 drops Juicy Peach and 1 drop Crisp Champagne Flavors until creamy in large bowl with an electric mixer. Gradually add confectioners' sugar. Add milk; beat until fluffy. Beat in 2 drops Orange Color Right Color.
Flip half the cookies over and spread each with about 1 teaspoon filling. Top with remaining cookies.