Mystery Pie
["3 egg whites", "1 tsp. baking powder", "1 c. sugar", "1 c. chopped pecans", "1 tsp. vanilla", "1 c. graham cracker crumbs"]
["Beat egg whites with baking powder.", "As eggs start to foam, gradually add sugar.", "Beat until stiff, but not dry.", "Fold in pecans and graham cracker crumbs.", "Add vanilla and pour into greased pie pan.", "Bake at 350\u00b0 for 30 minutes."]
["egg whites", "baking powder", "sugar", "pecans", "vanilla", "graham cracker crumbs"]