Taste of Summer Burger with Aged Balsamic Vinegar - Sutter Home Family Vineyards

Ingredients

• 1 1/2 cups diced seedless watermelon
• 3/4 cup peeled and coarsely shredded jicima
• 1/4 cup fresh mint, finely chopped
• 1/4 cup best quality aged balsamic vinegar
• 1/2 cup prepared mayonnaise
• 1 tablespoon finely chopped fresh flat leafed parsley
• 1 tablespoon finely chopped fresh chives
• Zest from one lemon, finely grated
• 2 pounds ground chuck
• 3 tablespoons finely chopped fresh flat leafed parsley
• 1 tablespoon finely chopped fresh rosemary
• 2 teaspoons kosher salt
• 1 teaspoon white pepper
• Vegetable oil, for brushing the grill rack
• 6 Kaiser Rolls, split
• 6 butter lettuce leaves