Mystery Pie
["3 egg whites, beaten stiff", "1 tsp. vanilla", "20 crushed Ritz crackers", "1 tsp. baking powder", "1 c. sugar", "1 c. chopped pecans"]
["Preheat oven to 350\u00b0.", "Blend well.", "Pour into greased pie plate.", "Bake at 350\u00b0 about 30 minutes.", "Top with whipped topping. This freezes well."]
["egg whites", "vanilla", "crackers", "baking powder", "sugar", "pecans"]