Ultimate Caramelized Onion Double Cheeseburger with Golden Sweet Onions and Premium Beef | Flirt Rec

Ingredients

• For the Beef Patties:
• 2 pounds ground chuck (80/20)
• 2 teaspoons Worcestershire sauce
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• For the Caramelized Onions:
• 3 large sweet onions, thinly sliced
• 3 tablespoons butter
• 2 tablespoons olive oil
• 1 tablespoon brown sugar
• 1/4 teaspoon thyme
• For the Cheese Layers:
• 8 slices aged sharp cheddar
• 4 slices Swiss cheese
• 2 tablespoons butter for melting
• For the Burger Buns:
• 4 brioche hamburger buns
• 2 tablespoons butter, softened
• 1 tablespoon garlic powder
• For the Special Sauce:
• 1/3 cup mayonnaise
• 2 tablespoons ketchup
• 1 tablespoon Dijon mustard
• 1 tablespoon pickle relish
• 1 teaspoon Worcestershire sauce
• For the Fresh Components:
• 4 large lettuce leaves
• 4 thick tomato slices
• 8 pickle slices
• 4 strips thick bacon (optional)
• For the Onion Enhancement:
• 2 tablespoons balsamic vinegar
• 1/4 cup beef broth
• 1 bay leaf
• For the Seasoning Boost:
• 1 teaspoon smoked paprika
• 1/2 teaspoon chipotle powder
• 1/4 teaspoon cayenne pepper
• For the Cooking Process:
• Vegetable oil for grilling
• Coarse sea salt
• For Special Equipment:
• Large cast iron skillet
• Grill or griddle
• Spatula
• Meat thermometer