Chicken Oriental Burgers with Grilled Shiitake - Sutter Home Family Vineyards

Ingredients

• Black-Bean Mustard Basting Sauce
• 1/2 cup Asian black bean sauce
• 1/4 cup White Zinfandel
• 2 tablespoons stone ground mustard
• 2 teaspoons tamari
• 1 teaspoon prepared horseradish
• 1 teaspoon onion powder
• 1/2 teaspoon garlic powder
• 1/4 teaspoon ground cayenne
• 2 tablespoons sesame seeds
• 2 pounds ground chicken
• 2 tablespoons hoisin sauce
• 1 tablespoon chopped cilantro
• 1 tablespoon finely chopped green onion
• 1 teaspoon ginger juice
• 1 teaspoon tamari
• 1 teaspoon cornstarch
• 1/4 teaspoon sesame oil
• 1/4 teaspoon hot chile oil
• 1/4 teaspoon freshly ground black pepper
• Vegetable oil, for brushing on the grill rack
• 6 shiitake mushrooms, stems discarded
• 1 tablespoon Asian sesame oil
• 6 onion rolls, split
• Melted butter, for brushing on the rolls