1/2 c. butter
1 c. diced Velveeta
1 can corn, do not drain
1 can creamed corn, do not drain
1 c. uncooked macaroni
2 tbsp. diced onion

Mix all the ingredients in a 9 x 13 pan. You may want to place Velveeta cubes on top for even melting. Bake at 375 degrees for 1 hour, covered for last 30 minutes.