Heat up your George Foreman grill and a saucepan to medium heat. Place butter in sauce pan and sauté mushrooms and onions until tender.

Mix soup mix in with burger and divide into 2 patties. Cool until no longer pink in the center and top with cheese slices.

Slather mayo on both top and bottom of buns, place burger on bun, then top with onion mushroom mix, French onions and bbq sauce. Top with remaining bun and serve. Pairs well with steak fries, chips, potato salad or a regular salad.