Coca Cola Sloppy Joes

Coca Cola Sloppy Joes
Recipe from Coca Cola recipe box
1 pound ground beef
1 onion, finely chopped
¾ cup finely chopped green pepper
1 ½ TBSP flour
1 Cup coca cola
½ cup ketchup
2 TBSP vinegar
1 TBSP Worcestershire Sauce
2 tsp dry mustard
½ tsp black pepper
½ tsp salt
Hamburger buns
Brown ground beef, onion and green pepper in heavy bottomed saucepan over medium heat. When meat is cooked through, drain excess fat. Add the remaining ingredients, except buns, and stir to combine. Cover and simmer for 30 minutes, stirring occasionally. Serve meat mixture on hamburger buns.