Italian Beef Burgers | Red Meat Recipes | Weber Grills | Weber US

Ingredients

• ½ cup/120 milliliters mayonnaise
• 3 tablespoons finely chopped fresh basil leaves
• 1 garlic clove, pushed through a press
• Freshly ground black pepper
• Extra-virgin olive oil
• 1½ pound/680 grams yellow onions, thinly sliced
• 3 tablespoons good-quality balsamic vinegar
• Kosher salt
• 1½ pound/680 grams ground chuck (80% lean)
• 4 ciabatta rolls, split
• 4 slices provolone cheese
• 4 thin slices prosciutto
• 1 extra-large tomato, preferably heirloom, cut into 4 thick slices
• 4 ounces/115 grams baby arugula, about 1 cup packed leaves