Feta Sun-Dried Tomato Stuffed Prosciutto Burgers - Sutter Home Family Vineyards

Ingredients

• 3/4 cup mayonnaise
• 8 to 10 basil leaves, finely chopped
• 2 pounds ground sirloin
• 2 medium eggs, slightly beaten
• 1 tablespoon Tabasco Pepper Sauce
• 2 tablespoons dried Italian seasoning, crushed
• 1 teaspoon salt
• 1/2 teaspoon freshly ground pepper
• 3 garlic cloves, minced
• 1/2 cup dried Italian breadcrumbs
• 1/2 cup freshly grated Parmesan cheese
• 6 ounces feta cheese, crumbled
• 1/2 cup drained and chopped sun-dried tomatoes (oil-packed)
• 12 sandwich-size focaccia bread squares, about 1/2 inch thick
• 6 thin prosciutto slices
• 6 romaine lettuce leaves
• 6 large paper-thin red onion slices, separated into rings