Easy Barbecued Hamburger

Easy Barbecued Hamburger

2 pounds gorund beef
1 cup ketchup
1 cup chopped green peppers
1 onion, chopped
1 tbsp yellow mustard
3 tbsp brown sugar
2 tbsp vinegar

Cook ground beef and veggies until meat is browned and veggies tender. Drain. Add remaining ingredients and heat through for about 15 minuutes before serving on buns.