In a small bowl, whisk together the mayonnaise, pickle relish, granulated sugar, white vinegar, mustard, paprika, salt, and pepper until smooth. Set aside.
1 cup sliced pickles, 1 cup mayonnaise, 1 teaspoon granulated sugar, 1 teaspoon white vinegar, 1 tablespoon mustard, 1 teaspoon paprika, ½ teaspoon salt, ½ teaspoon black pepper
Preheat the oven to 350°F (180°C). Place the hamburger buns on a baking sheet and bake for 5 minutes, or until lightly toasted.
4 to 6 hamburger buns
Heat 1 tablespoon oil in a large skillet over medium-high heat. Add ground beef, chopped onion, salt, pepper, garlic powder, and onion powder. Cook, breaking up the beef, for 7-10 minutes, until browned. Drain any excess grease.
1 pound ground beef, 1 teaspoon salt, 1 teaspoon black pepper, 1 tablespoon oil, 1 teaspoon garlic powder, 1 teaspoon onion powder, 1 small onion
Stir in ½ cup of the prepared sauce and let it cook for 2 minutes, until heated through.
Place a slice of cheddar cheese on the bottom half of each toasted bun. Add a handful of shredded lettuce and spoon the beef mixture over it. Top with sliced pickles and drizzle with extra Big Mac sauce. Spread more sauce on the top bun, then place it over the filling.
4 to 6 slices cheddar cheese, 1 cup shredded lettuce, 2 tablespoons pickle relish
Serve immediately while hot and enjoy your homemade Big Mac Sloppy Joes!