Baked Hamburgers Recipe: How to Make It

Ingredients

• 1 small onion, chopped
• 1/4 cup dry bread crumbs
• 2 tablespoons 2% milk
• 3/4 teaspoon salt, divided
• 1/4 teaspoon pepper
• 1/2 pound ground beef
• 1/3 cup water
• 2 tablespoons brown sugar
• 2 tablespoons ketchup
• 1/2 teaspoon ground mustard
• 1/2 teaspoon white vinegar
• 2 hamburger buns, optional
• Sliced red onion, optional