1 1/2 cup sugar
1 cup buttermilk
1/2 cup Bisquick baking mix
1/3 cup margarine, melted
1 tsp vanilla
3 x eggs
Heat oven to 350 degrees. Grease pie plate, 9x 1/4 inches.
Beat all ingredients until smooth, 30 seconds in blender on high or 1 minute with hand beater. Pour into plate.
Bake until knife inserted in center comes out clean, about 30 minutes.
Cool 5 minutes. Serve with mixed fresh fruit if desired.
High Altitude (3500 to 6500 feet): Bake 30 to 35 minutes.