juicy burgers with caramelized onions

How To Make juicy burgers with caramelized onions

• 
  Step 1
  For the caramelized onions: To a 12" skillet, add olive oil and butter; melt butter over medium heat.
• 
  Step 2
  Add sliced onions and montreal steak seasoning; sauté over medium heat for approximately 10-15 minutes until onions are caramelized (be sure to stir them around. You want browned, not burned.)
• 
  Step 3
  Use tongs or a fork to remove onions from skillet to a pan or dish in which they can be re-warmed if needed, then cover with foil or lid; leave remaining oil/butter in skillet; set aside.
• 
  Step 4
  For the meat: (I use food-safe plastic disposable gloves for this part.)
• 
  Step 5
  In a large bowl, using hands, mix together ground beef, mayonnaise, steak sauce, 1/2 Tablespoon montreal steak seasoning and salt, until thoroughly combined.
• Step 6
  Divide into 4 equal portions.
• 
  Step 7
  One by one, shape each portion into a large patty and place in the skillet.
• Step 8
  While forming patties, or after placing in skillet, make an indentation in each patty so that it resembles a saucer (this will prevent "the hump.")
• 
  Step 9
  Sprinkle patties with remaining 1/2 teaspoon montreal steak seasoning (add extra salt & pepper, if desired.)
• Step 10
  Cook over medium-high heat for 4 to 5 minutes.
• 
  Step 11
  Turn the patties over; reduce heat to medium; cover skillet with foil or lid & cook for another 4 to 6 minutes. (Internal temperature should reach 160ºF (71.1ºC; I sometimes turn them over again.)
• 
  Step 12
  While second side is cooking, re-warm onions, if needed; begin preparing buns with your choice of condiments.
• 
  Step 13
  If melted cheese on burger is desired, shut the heat off, place cheese on top of burger in skillet; cover skillet with foil or lid; let rest for 20 to 30 seconds.
• Step 14
  Remove burgers from pan to bottom half of prepared buns.
• 
  Step 15
  Top with caramelized onions; cover with top half of buns.
• 
  Step 16
  Serve. Cover and refrigerate leftovers.
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