Pecan-Custard Pie
["1 c. pecans*", "2 c. sugar", "1/2 c. margarine, softened", "3 eggs", "3 Tbsp. all-purpose flour", "1/4 tsp. salt", "1 c. buttermilk", "1 (9-inch) high-fluted pie crust"]
["*First, toast 1 cup of pecans in oven at 350\u00b0 for approximately 8 minutes; stir once."]
["pecans", "sugar", "margarine", "eggs", "flour", "salt", "buttermilk", "crust"]