Ritz Cracker Pie
["14 Ritz crackers, crushed", "3 egg whites", "1 pinch salt", "2 Tbsp. baking powder", "1 c. sugar", "2/3 c. chopped walnuts, or pecans", "1 tsp. vanilla"]
["Beat egg whites until stiff; fold in sugar, crackers, nuts and vanilla. Bake in buttered pie dish at 350\u00b0 for 30 to 40 minutes. Serve with ice cream, whipped cream, or plain."]
["crackers", "egg whites", "salt", "baking powder", "sugar", "walnuts", "vanilla"]