Karen's Buttermilk Pie

1 1/2 cups sugar
1 cup buttermilk
1/2 cup biscuit mix
1/3 cup (5 1/3 tablespoons) butter, melted
1 teaspoon vanilla
3 eggs

Preheat oven to 350 degrees F. Grease a 9-inch pie pan.
Put all ingredients in a bowl and blend for 1 minute with a handheld electric mixer. Pour mixture into prepared pan. Bake for about 50 minutes or until a toothpick inserted in the center comes out clean. Cool for 5 minutes

Source: Paula Deen