Filling

• 1 1/2 cups Crisco shortening
• 8 tablespoons (1 stick) butter
• 1 cup sugar
• 1 egg white
• 2 teaspoons vanilla
• 1/2 cup hot milk

1. Cream together shortening and butter.
2. Add sugar and beat well.
3. Add egg white and vanilla; beat thoroughly.
4. Add hot milk, 1 tablespoon at a time, and beat until creamy.
5. Put into cookie press or pastry tube and fill cookies.

shortening, butter, sugar, egg, vanilla, hot milk

Taken from www.epicurious.com/recipes/food/views/filling-385169 (may not work)