Bistro Buffalo-Boerewors Burger - Sutter Home Family Vineyards

Ingredients

• 3/4 cup dijonnaise
• 1/4 cup finely chopped fresh cilantro leaves
• 2 teaspoons canned chipotle adobo sauce
• 1 pound freshly ground buffalo
• 1 pound freshly ground pork
• 1/4 cup finely chopped shiitake mushrooms
• 2 garlic cloves, minced
• 2 teaspoons ground coriander
• 1/2 teaspoon ground nutmeg
• 1/4 teaspoon ground cloves
• 1/2 teaspoon ground allspice
• 1 1/2 teaspoons salt
• 1/2 teaspoon ground black pepper
• Vegetable oil, for brushing the grill rack
• 6 sourdough rolls, split
• 24 arugula leaves