Cake:
Preheat oven to 350 degrees. Grease and flour 9 inch square baking dish. Combine cake ingredients, stir well. Spread batter into prepared pan and set aside.
Topping:
In a heavy 2 quart saucepan, combine topping ingredients. Cook over medium heat, stirring occasionally, until mixture comes to a full boil. Continue cooking, stirring occasionally, for 2-3 minutes. Pour topping evenly over coffee cake batter. Bake for 22-27 minutes until a toothpick inserted in the center comes out clean.