Grilled Blue Cheese Burger with Pear

Ingredients

• 2 tablespoons olive oil
• 1/2 red onion sliced thinly
• 2 tablespoons balsamic vinegar
• 2 tablespoons red wine
• 1 tablespoon maple syrup
• 2, 8 ounce beef patties
• 2 Brioche buns (toasted)
• 4 slices smoked bacon
• 1 1/2 cups candied walnuts (crushed in a food processor)
• 1 large pear
• 2 slices thick of Wisconsin Blue Cheese
• 2 cups arugula leaves