Smash Burgers with Steven Raichlen's Special Sauce Recipe - Barbecuebible.com

Ingredients

• 1-1/2 pounds (680 g) ground beef, preferably 20 percent fat
• Coarse salt (sea or kosher) and freshly ground black pepper
• Canola or olive oil for the griddle
• 4 brioche buns, split
• Raichlen’s Special Sauce (recipe follows) or your favorite condiments
• 4 Boston lettuce leaves
• 1 luscious ripe red tomato, cut into 1/4-inch (6 mm) slices
• 4 paper-thin slices sweet onion (optional) (See What’s More)
• Dill or sweet pickle slices (optional)
• 2 tablespoons white miso, at room temperature, and/or 2 tablespoons Dijon mustard
• 6 tablespoons (85 g) mayonnaise (preferably Hellmann’s)
• 2 tablespoons ketchup
• 1 to 2 tablespoons sriracha
• 1/2 teaspoon freshly ground black pepper
• 1 teaspoon sugar (optional)
• A griddle press (or cast-iron skillet)
• An instant-read thermometer (optional)