Grandma'S Buttermilk Pie
["1 stick margarine", "1 1/2 c. sugar", "1 Tbsp. flour", "3 eggs", "1 tsp. vanilla", "1/2 c. buttermilk", "3/4 to 1 c. pecans"]
["Melt 1 stick margarine.", "Add other ingredients and mix well. Bake at 350\u00b0 for 35 to 40 minutes in an unbaked pie shell."]
["margarine", "sugar", "flour", "eggs", "vanilla", "buttermilk", "pecans"]