Kendra's Maid-Rite Sandwiches

Ingredients (9)

• ✓ 2 pounds ground beef
• + 1 chopped onion add to pantry
• + ¾ cup ketchup add to pantry
• + 2 tablespoons brown sugar add to pantry
• + 2 tablespoons distilled white vinegar add to pantry
• + 1 tablespoon Worcestershire sauce add to pantry
• + 2 teaspoons prepared yellow mustard add to pantry
• + ½ teaspoon salt add to pantry
• + 16 hamburger buns, warmed add to pantry