Luscious Luau Burgers with Pineapple Horseradish Mayo - Sutter Home Family Vineyards

Ingredients

• 2 pounds ground sirloin
• 1 egg
• ½ cup panko
• 1 teaspoon dry mustard, divided
• ½ teaspoon garlic salt
• 1/3 cup drained crushed pineapple
• 1 cup goat cheese
• 6 fresh pineapple slices, ½ inch thick
• 1 1/2 cup sliced peaches
• Curly leaf lettuce
• 6 Hawaiian Bread Buns
• ½ cup pineapple preserves
• 1 cup mayonnaise
• 2 teaspoons cilantro, chopped
• 3 tablespoons horseradish