Open Faced Burgers with Onion and Mushroom Topping

Open Faced Burgers with Onion and Mushroom Topping

Makes 4 servings


  • 2 tsp olive oil
  • 1 medium sweet onion, sliced and separated into rings
  • 2 (8-ounce) packages presliced mushrooms
  • 1/2 tsp salt
  • 2 tsp balsamic vinegar
  • 1 1/2 tbsp paprika
  • 1/2 tsp salt
  • 1/2 tsp dried thyme
  • 1/4 tsp ground red pepper
  • 1/4 tsp freshly ground black pepper
  • 1 pound ground round
  • 2 English muffins, split and toasted


  1. Preheat grill. Heat oil in a large nonstick skillet over medium-high heat.
  2. Add onion, and cook for 5 minutes or until golden. Add mushrooms and salt; cook 5 minutes, stirring constantly. Add vinegar; remove mixture from pan. Set aside.
  3. Combine the paprika and the next 4 ingredients (paprika through black pepper). Divide the ground round into 4 equal portions, shaping each into a 1/2-inch-thick patty. Coat patties with spice mixture.
  4. Grill patties 4 minutes on each side or until done. Place burgers on muffin halves, and top each burger with 1/4 cup onion mixture.