Grilled Mustard-marinated Chicken Sandwiches with Caramelized Onions, Bacon, and Swiss Cheese Recipe :: The Meatwave

Ingredients

• For the Chicken
• 1/4 cup extra-virgin olive oil
• 2 tablespoons Dijon mustard
• 1 tablespoon freshly squeezed lemon juice
• 1 tablespoon dark brown sugar
• 2 teaspoons finely minced fresh garlic (about 2 medium cloves)
• 1 teaspoon finely minced fresh thyme
• Kosher salt
• Freshly ground black pepper
• 2 large chicken breasts, split in half horizontally
• For the Onions
• 1 tablespoon butter
• 1 large yellow onion, thinly sliced
• For the Sauce
• 1/4 cup mayonnaise
• 1 tablespoon whole grain Dijon mustard
• 1 tablespoon Dijon mustard
• 1 teaspoon Worcestershire sauce
• 1 teaspoon freshly squeezed lemon juice
• 8 strips bacon
• 4 slices Swiss cheese
• 4 pretzel sub rolls, split in half lengthwise
• Green leaf lettuce, washed and dried