Sift flour, baking powder, sugar and salt together. Add egg, milk and oil. Blend well. Pour into a round glass cake utensil ungreased. Sift together brown sugar, flour and cinnamon Sprinkle the topping over the above cake batter. Pour melted butter over all. Micro on high approx 7-8 minutes giving dish quarter turn every 2 minutes. Cake is done when toothpick inserted in center of cake comes out almost clean. Serves 8 ----