Apple Dapple Burger - Sutter Home Family Vineyards

Ingredients

• 8 ounces sliced bacon
• 1 1/2 cup mayonnaise
• 1 teaspoon stone ground Dijon mustard
• 1-2 teaspoons cream style horseradish
• 1 large sweet or yellow onion
• 1/2 teaspoon kosher salt
• 1 granny smith apple, cored and diced
• 2 pounds fresh ground chuck
• 2 teaspoons kosher salt
• 1 granny smith apple, cored and grated
• 3 ounces apple smoked mozzarella cheese, grated
• 2-3 tablespoons vegetable oil, for brushing on the grill rack
• 6 slices smoked Gouda
• 6 good-quality potato hamburger buns, split