Foryoueats: Steakhouse Burgers

Ingredients

• 2 pieces white sandwich bread, crusts removed and cut into ¼-inch pieces
• ⅓ cup milk
• 2½ teaspoons kosher salt
• 1 teaspoon freshly ground black pepper
• 3 garlic cloves, minced
• 1½ tablespoons Worcestershire sauce
• 2 tablespoons ketchup
• 3 pounds 80 to 85% lean ground beef
• 3 scallions, white and green parts, very finely sliced (optional)
• 8 hamburger buns