beat the butter until fluffy in a large bowl. Add the granulated sugar and powdered sugar for about 3 minutes. The texture should be light and fluffy. Beat in the egg and vanilla extract.
Mix well; set aside. In the bowl of an electric mixer fitted with the paddle attachment, beat butter and sugar together until light and fluffy (3 minutes). Beat in egg and vanilla. Gradually add ...
Preheat oven to 350F. Grease and flour 8 cups in a 12 cup muffin pan. In a mixing bowl, beat butter and sugar 3 to 5 minutes, or until light and fluffy. Beat in eggs one at a time. Mix in vanilla ...