Categories: Beef, Main Entree

Ingredients

• 2 ounces butter
• 1 cup yellow onions, thinly sliced
• 1 teaspoon white pepper
• 2 teaspoons kosher salt, divided
• 12 ounces (80/20) ground beef
• 12 ounces ground pork
• 1 teaspoon black pepper
• 1/4 cup equal parts mayonnaise and mustard
• 1 teaspoon lemon juice
• 1 cup thinly shredded romaine hearts
• 12 slices cheese of choice (Gruyere, baby Swiss, or Gloucester)
• 12 petit buns (2 to 2 1/2 inches), toasted

Directions

1. In a saute pan over high heat, add the butter, onions, white pepper and 1 teaspoon salt, and cook over high heat until the butter has melted. Reduce the heat to medium and finish cooking the onions until slightly browned on the edges, 7 to 8 minutes.

2. Mix the beef, pork, remaining 1 teaspoon salt, and black pepper in a bowl. Do not over mix or the burger will be too tightly bound. Portion the meat into 12 (2-ounce) balls, then flatten the balls into patties about 2 1/2 inches round.

3. Preheat a grill and grill the burgers for 4 to 5 minutes on each side, or until the internal temperature reaches 160 degrees F.

4. Combine the mayonnaise-mustard mixture with the lemon juice and shredded romaine. Top the bottom bun with the dressed lettuce, a burger, some caramelized onions, and cheese of choice. Add the top bun and serve.

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