21 Burger

Directions

1. 1
   Preheat oven to 400 degrees F.
2. 2
   In a large, oven-proof skillet, over medium heat, saute celery in 1 tablespoon butter, about 4 minutes.
3. 3
   Remove celery and let cool.
4. 4
   In a medium bowl, stir to combine ground sirloin, bread crumbs, au jus mix, and sauteed celery.
5. 5
   Form into 4 patties.
6. 6
   Melt remaining butter in skillet.
7. 7
   Carefully place patties in skillet and cook 2 to 3 minutes, or until browned on 1 side.
8. 8
   Flip patties and place in preheated oven.
9. 9
   Cook for 12 to 15 minutes for medium doneness.
10. 10
    Serve hot on toasted buns with desired condiments.