Prime Rib Rubbed Burgers With Buttery Mushrooms & Caramelized Onions


20 min


35-45 min






  • 1 1/2 lbs ground beef (80% lean, 20% fat)
  • 1 large red onion 
  • 12 oz. mushrooms, sliced
  • 1 head green leaf lettuce
  • 4 hamburger buns
  • 4 tbsp unsalted butter
  • 2 tbsp olive oil
  • 6 tbsp of light mayonnaise 
  • 4 tbsp. Kinders Roasted Garlic BBQ Sauce
  • 4 tbsp. Kinder's Prime Rib Rub


  1. Heat olive oil in large skillet over medium-high heat. Add onion and cook for 5 minutes until soft. 
  2. Add butter and mushrooms into skillet and continue to cook with onions for 12-15 minutes until mushrooms are soft and onions caramelized. 
  3. Preheat outdoor gas grill to high heat (450°F). If using a charcoal grill, arrange coals to one side of grill to create direct (high heat) and indirect (low) heating areas.
  4. Form beef into 4 patties, about 3/4” think and circular in shape. Using your thumb, place a small indention in center of patty.
  5. Coat patties evenly on both sides with Kinder’s Prime Rib Rub.
  6. Let patties sit at room temperature until ready to grill, about 20 minutes.
  7. Place patties on grill in a single layer and sear until brown and crispy on bottom, about 3-5 minutes.
  8. Flip and cook for 3 minutes.
  9. Move to indirect heat (charcoal) or turn down heat to medium heat (gas grill) and continue to cook for 1 minute. 
  10. Place 2 slices of cheese on each patty, cover until cheese melts, about 1 minute.
  11. Toast buns on grill, about 1 minute.
  12. Remove patties and buns from grill.
  13. Mix mayonnaise and Kinder's Roasted Garlic BBQ Sauce and whisk together until blended. 
  14. Spread aioli mixture on bottom bun. 
  15. Stack lettuce, patty, onion and mushrooms on bun.
  16. Finally, pour aioli mixture over burger, top with bun and serve.


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