for topping, combine topping ingredients in a sml bowl. blend with fork until crumbly.

sift 1 1/2 C sifted flour with baking powder and salt into a bowl. in a med. bowl, beat together beaten egg and 3/4 C sugar and 1/3 C melted butter. add milk and vanilla. sift in flour mixture and mix well.

pour batter into a greased and floured 8 in. sq. or 9 in. layer-cake pan. sprinkle topping crumb mixture evenly over batter. bake at 375 for 25-30 min. or until cake tests done.