Originally Published:
Like Mama Used to Make . . . and More, 1986
Original Images:

1 c. flour
1 t. baking powder
2 T. sugar
1/4 lb. pareve margarine, melted (or butter, if dairy)
TOPPING:
1 c. brown sugar
2 T. flour
2 1/2 c. of whatever's-in-the-kitchen
(e.g. slightly crushed corn flakes, rice krispies, or other cereal;
sesame seeds, coconut, nuts, raisins, currants; mixed as you like.)
2 eggs, separated
grated rind and juice of 1/2 lemon or orange

Mix first 4 ingredients. Press on bottom of 9 x 12" pan. Bake at 350° for 10 minutes. For topping, beat egg whites until stiff. Mix together other ingredients, then fold in beaten egg whites. Spread over baked base. Return to oven and bake another 20 minutes. Cut while warm.