1/2 cup butter, softened
1/3 cup confectioners sugar
1/4 teaspoon vanilla extract
1 cup plain flour
Cooking spray, for coating baking pan
Preheat oven to 325 degrees, and spray 9-inch baking pan with cooking spray. In a mixing bowl, cream the butter with electric mixer till creamy, then beat in confectioners sugar and vanilla extract. Slowly begin to add the flour with mixer on low speed. Turn mixture out onto floured surface, and knead thoroughly. Press dough into baking pan and bake for 30-35 minutes. Allow to cool for 10 minutes before removing from pan.