1 lb. ground beef
1/2 tsp. salt
1/4 tsp. pepper
1/2 c. BBQ sauce
Sliced Swiss cheese
4 hamburger buns
Onion slices

Combine meat, salt and pepper; shape into 4 patties. Cook over grill until desired doneness, turning and basting with BBQ sauce. Top with cheese and cook until cheese melts. Serve in buns with onion slices.