Preheat oven, to 400F. Grease a 13x9 inch baking dish. In a bowl prepare corn muffin mix as directed: add in bacon pieces, top off with 1/2 cup of cheese. Bake for 10 minutes and remove to rack. While corn bread is cooking; In a large saute pan fry onions and hamburger;drain. Add in the hamburger, beans and Manwhich. Pour mixture over corn bread and sprinkle with rest of cheese. Return to oven and bake 12 minutes.
*****variations**** cut up green pepper in the cornbread, jalapeno for a hot variation, hot dog pieces for kids. Great for potluck or camping.