Beat egg whites until stiff. Add sugar and baking powder gradually. Add vanilla. Mix in crushed crackers and pecan. Fold into meringue (egg whites) gradually with spoon. Spoon into a 9" greased pie plate - (no other crust)
Bake for 30 minutes at 350 degrees. Once cool serve with 2 tablespoons of cool whip and sprinkle of pecans.