Pecan Cracker Short Cake
["20 soda crackers, crumbled", "2 c. sugar", "6 egg whites", "2 tsp. vinegar", "1 c. pecans"]
["Beat eggs stiffly.", "Beat in sugar and add remaining ingredients.", "Spread into two greased pie pans.", "Bake at 350\u00b0 for 1/2 hour."]
["crackers", "sugar", "egg whites", "vinegar", "pecans"]