Spiced Cabernet Burgers with Grilled Peppers, Fennel and Thyme - Sutter Home Family Vineyards

Ingredients

• 2 red bell peppers
• 2 tablespoons olive oil
• 1 cup chopped fennel bulb, reserve fronds for garnish
• 3 shallots, chopped
• 3 cloves garlic, minced
• 2 teaspoons ground coriander
• 2 teaspoons ground cumin
• 1 1/2 teaspoons ground mustard, divided
• 1 teaspoon salt
• 1 teaspoon dried chili peppers
• 3 teaspoons fresh thyme leaves, chopped and divided
• 1/4 cup Sutter Home cabernet sauvignon
• 2 pounds ground chuck
• Vegetable oil for oiling grill
• 1/2 cup mayonnaise
• 6 soft hamburger buns
• 12 escarole leaves, coarsely torn
• 2 Creole tomatoes, sliced