Ground Beef Mixture

• 1 1/2 pounds ground beef (85/15)
• 1/2 yellow onion, finely chopped
• 1/4 cup hamburger pickles, chopped
• 1 teaspoon kosher salt
• 1/4 teaspoon coarse ground pepper
• 2 teaspoons Worcestershire sauce

McDonald’s Secret Sauce Recipe:

• 1 cup mayonnaise
• 1/4 cup French dressing
• 2 tablespoons sweet relish
• 1 tablespoon ketchup
• 1 teaspoon white vinegar
• 1/4 teaspoon onion powder
• 1/8 teaspoon salt

To Assemble (Double Decker):

• 8 hamburger buns (with seeds)
• 2 cups iceberg lettuce, shredded
• 12 hamburger pickle chips
• 4 slices American cheese
• Additional sauce, optional