Cake:
Pour boiling water over oatmeal. Let stand 30 minutes, beat 1/2 minute. Beat in eggs, melted margarine, honey and brown sugar. Add sifted cake flour, soda, salt and cinnamon. Bake in greased and floured 9 inch cake pan at 350 degrees for 35-45 minutes.
Topping:
Mix together well. Spread on cake as soon as it tests done. Place under broiler until it bubbles and browns. Watch carefully so it does not burn.