Form thawed burger patty in a 12 inch pan. Press gently and chill for at least 2 hours.
Pre heat oven at 150°C.
Grill patty for 5 minutes on each side. Finish in the oven for 15-20 minutes. After cooking top the burger patty with sliced cheddar cheese.
Spread the bottom half of the bun with barbecue sauce. Arrange the lettuce, burger patty, salad tomatoes, onion, nuggets, cheese sauce, bacon, and fries. Close the sandwich with the top half of the bun.