Sloppy Joes - cooking recipe

Ingredients

1 Tbsp. butter
1 lb. lean ground beef
1/2 c. chopped green pepper
1/2 c. chopped onion
1 (8 oz.) can tomato sauce
1/8 tsp. pepper
2 Tbsp. prepared mustard

Preparation

Simmer all together for 10 to 15 minutes.
Serve on toasted, buttered hamburger buns.