Sloppy Joes

Thanks to Kelley C. for submitting this recipe!

1 pound lean ground beef
1 onion chopped finely
½ teaspoon salt
¾ cup ketchup
1 Tablespoon vinegar
1 teaspoon sugar
1 Tablespoon mustard

In a large skillet, brown beef and onions. Drain. Add remaining ingredients and simmer 30 minutes. Serve on hamburger buns.

Serves: 4-6