Spicy Burger with Pineapple-Rum Glaze - Sutter Home Family Vineyards

Ingredients

• 2 cups pineapple juice
• 3/4 cups dark rum
• 1/3 cup unsalted butter
• 1 teaspoon hot pepper sauce
• 2 tablespoons apple cider vinegar
• 2 pounds Ground Sirloin
• 1 egg
• 1 teaspoon Worcestershire Sauce
• 1 teaspoon kosher salt
• 2 tablespoons dark rum
• 6 (4 1/2-inch) soft Kaiser rolls, split
• 6 romaine lettuce leaves
• 6 (1/4-inch-thick) large tomato slices