Grilled Panini Burgers with Crispy Coppa & Lemon Wilted Spinach - Sutter Home Family Vineyards

Ingredients

• 2 1/2 pounds ground chuck
• 3 tablespoons balsamic vinegar
• 3 cloves garlic, minced
• 2 teaspoons salt
• 1 5.2-ounce package Boursin garlic and fine herbs cheese
• 3 tablespoons mayonnaise
• 1 1/2 tablespoons Sutter Home Pinot Grigio
• 1/4 cup Colavita Extra Virgin Olive Oil
• 2 tablespoons fresh lemon juice
• 1 teaspoon Grey Poupon mustard
• 1 1/2 teaspoons sugar
• 1 small clove garlic, minced
• 1/2 teaspoon salt
• 1/4 teaspoon freshly ground pepper
• 4 cups baby spinach leaves
• 2 small sweet onions, thinly sliced and separated into rings
• 5 ounces thinly sliced dry coppa (24 – 30 slices)
• vegetable oil, for brushing on the grill rack
• 6 ciabatta rolls, split
• 6 18-inch long sheets of parchment paper
• 6 slices Mozzarella cheese
• 12 slices vine-ripened tomatoes