Buttermilk Pecan Pie

½ cup butter
2 cups sugar
2 tsp. vanilla
3 eggs
2 Tbs. flour
¼ tsp. salt
1 cup buttermilk
½ cup pecans
1 – 9” pie crust

Cream butter and sugar until light and fluffy. Add sugar slowly. Blend in vanilla. Add eggs one at a time. Add flour, salt and buttermilk. Sprinkle nuts on bottom for pie shell and pour filling over it. Bake at 300° for 1-½ hours.