Inside out Cheeseburgers

From a 1999 issue of Southern Living Magazine

• Ready In: 42 mins
• Serves: 6

Ingredients

• 2  lbs ground beef
• 1 1⁄2 teaspoons salt
• 3⁄4 teaspoon black pepper
• 1⁄4 cup Dijon mustard
• 6  onions, slices 1/2-inch thick
• 6  slices sharp cheddar cheese
• 1⁄2 cup  sweet pickle relish
• 6  hamburger buns

Directions

1. Combine first 4 ingredients in a large bowl; shape into 12 patties. Set aside.
2. Saute onion in a large nonstick skillet coated with cooking spray 10 minutes or until tender. Top 6 patties with onion, cheese, and relish; cover with remaining 6 patties, pressing edges together to seal. Cook patties on grill or skillet around 6 minutes on each side or until no longer pink. Serve in buns with desired toppings.