salt
black pepper
3/4 cup chopped red bell pepper
3/4 cup chopped yellow onion
1 tbsp. olive oil
4 hamburger buns
1/2 tsp. natural hickory smoke flavor
1 tbsp. Worcestershire sauce
1/2 cup ketchup
8 oz. tomato sauce
1/2 tsp. ground mustard
3/4 tsp. paprika
3/4 tsp. chili powder
2 cloves garlic
1 pound lean ground beef