Unbeatable sloppy joes

1 lb ground beef
1 onion chopped
1/2 cup ketchup
1/2 tsp chili powder
1 large tomato chopped
6 hamburger buns split
6 kraft singles
12 slices bacon

Brown meat in large skillet on medium heat and drain, add onions cook 5 minutes or until tender stirring ocasionally. add ketchup chili powder and tomatoes. cook 5 minutes or until heated through stirring occasionally.
spoon meat mixture onto bottom halves of buns. top with singles bacon and tops of buns.