Maple-Glazed Montreal Burger with Relish Quebecois - Sutter Home Family Vineyards

Ingredients

• 3/4 cup plus 2 teaspoons real maple syrup
• 2 tablespoons Tamari
• 2 tablespoons dry white wine
• 1 tablespoon apple cider vinegar
• 1/2 teaspoon ground coriander
• 1 tablespoon, plus 1 stick, unsalted butter
• 1-1/2 teaspoons freshly ground pepper, divided use
• 2 pounds ground beef chuck
• 4 teaspoons Diamond Crystal Kosher salt, divided use
• 1/4 cup grated onion, plus 2 tablespoons onion, chopped
• 2 teaspoons roasted garlic paste (from tube)
• 3/4 teaspoon ground allspice
• 1/2 teaspoon freshly grated nutmeg
• 1 teaspoon rubbed sage
• 1 ounce Applejack, or brandy
• 2 teaspoons plus 1 tablespoon extra virgin olive oil
• 2 Granny Smith apples, peeled, cored and cut into thick wedges
• 1/2 pound sharp white Cheddar, shredded
• 2 tablespoons Maille Old Style coarse grain Dijon mustard
• 2 (10-oz) sourdough baguettes, ends removed, cut in thirds and split
• 2 Belgian endive, leaves separated
• 6 French cornichons, finely diced