Creating your own Big Mac Grilled Cheese Sandwich is simple yet rewarding. Just follow these easy steps:

1. Prepare the Beef: In a skillet over medium heat, cook the ground beef, seasoning it with onion powder, garlic powder, salt, and pepper. Cook until browned, about 8-10 minutes. Drain excess fat if necessary.
2. Mix the Special Sauce: In a small bowl, combine mayonnaise, ketchup, mustard, and relish to make your special sauce.
3. Butter the Bread: Spread softened butter on one side of each slice of bread, making sure to coat each evenly.
4. Assemble the Sandwich: On the unbuttered side, layer two slices of bread with one slice of cheese, a portion of cooked beef, a tablespoon of special sauce, some shredded lettuce, a slice of tomato, and pickles (if desired). Top with another slice of cheese and the second slice of bread (buttered side out).
5. Grill the Sandwich: Heat a skillet over medium heat and place the assembled sandwich in the pan. Cook for about 3-5 minutes until golden brown. Carefully flip and cook the other side until golden and the cheese is melted.
6. Serve Hot: Once both sides are crispy and golden, remove the sandwich from the skillet and let it rest for a minute before slicing it in half.

With these straightforward steps, you’ll have a Big Mac Grilled Cheese Sandwich that’s as delicious as it is fun to make!