Black Walnut Dessert
["3 egg whites", "3/4 tsp. baking powder", "1 c. sugar", "3/4 tsp. vinegar", "12 soda crackers", "1 c. chopped black walnuts"]
["Beat egg whites until stiff.", "Add baking powder and sugar to egg whites, then add 3/4 teaspoon vinegar. Roll the soda crackers, not too fine.", "Add the nuts.", "Combine mixtures and bake in pie tin at 300\u00b0 for 35 minutes. Serve with whipped cream."]
["egg whites", "baking powder", "sugar", "vinegar", "crackers", "black walnuts"]