21 Club Burger

Directions

1. 1
   Preheat oven to 400 degrees.
2. 2
   In a large, ovenproof skillet saute celery in 1 tablespoon butter over medium heat for about 4 minutes. Remove celery and let cool.
3. 3
   In bowl, combine sirloin, bread crumbs, au jus, and celery. Form in to 4 patties.
4. 4
   Melt remaining butter in skillet. Place patties in skillet and cook 2-3 minutes or until bron on one side. Flip patties and place in oven. Cook for 12-15 minutes for medium doneness. Place on buns.