Karissa Manzi on Instagram: "These would be perfect for Christmas and are so simple to make! Here is how to make them: Cookies • 1 cup margarine, softened • 1.5 cups powdered sugar • 2 tsp vanilla • 1 egg • 2 tbsp heavy cream • 2.5 cups cake flour • 2 tbsp cornstarch • 1 tsp baking powder Preheat oven to 350 and line a baking sheet with parchment paper. In a large bowl, mix the softened margarine and powdered sugar until light and fluffy. Add the egg and vanilla and continue mixing for about 1 m