This recipe will solve your problem.
GREASE AND FLOUR
1 cup vegetable oil
1 cup shortening
1 cup flour
In a large mixing bowl, mix until smooth with an electric mixer. Store in an airtight container in the refrigerator until needed. Use this to coat pans for cakes, muffins, pies or anything that requires 'greased and floured' pans. Use plastic sandwich bag on your hand to grease pans and then throw it away when done.