Island Burgers with Red Pepper-Mango Sauce - Sutter Home Family Vineyards

Ingredients

• 1 cup red bell pepper
• 1 cup diced peeled mango
• 1/2 teaspoon chopped jalapeño pepper
• 1/4 cup water
• 2 tablespoons sugar
• 3 tablespoons red wine vinegar
• 1/4 teaspoon salt
• 1/2 teaspoon fresh lime juice
• 5 tablespoons panko (Japanese breadcrumbs)
• 1/2 cup flaked sweetened coconut
• 5 tablespoons chopped whole salted cashews
• 2 teaspoons freshly ground black pepper, divided
• 2 1/2 pounds 85% lean ground beef
• 2 teaspoons salt
• Vegetable oil, for brushing on grill rack
• 6 white hamburger buns, split
• 6 romaine lettuce leaf tops, cut to fit size of bun