1 1/2 lbs. ground chuck
1 onion, chopped
1 tsp. chili powder
1 tsp. salt
1/8 tsp. pepper
1/4 c. sliced pitted ripe olives
1 (10 1/2 oz.) can tomato puree
1 tbsp. flour
Grated cheese

Brown ground beef and onion together. Drain off excess grease. Add chili powder, salt, pepper, olives and tomato puree. Simmer for 5 minutes. Combine flour and 1 tablespoon water, stirring until smooth. Add to hamburger, cook until slightly thickened. Spread evenly over 9 x 9 x 2 inch pan. Top with grated cheese. Prepare an 8 or 10 ounce corn muffin mix. Spread evenly over cheese and meat. Bake 20 minutes at 400 degrees.