21 Burger
- Level: Easy
- Total: 25 min
- Prep: 5 min
- Cook: 20 min
- Yield: 4 buns
Ingredients
2 stalks celery, finely chopped
3 tablespoons butter, divided
2 pounds ground sirloin
1/4 cup bread crumbs
1 (1-ounce) packet au jus gravy mix (recommended: McCormick)
4 hamburger buns, toasted
Directions
- Preheat oven to 400 degrees F.
- In a large, oven-proof skillet, over medium heat, saute celery in 1 tablespoon butter, about 4 minutes. Remove celery and let cool.
- In a medium bowl, stir to combine ground sirloin, bread crumbs, au jus mix, and sauteed celery. Form into 4 patties.
- Melt remaining butter in skillet. Carefully place patties in skillet and cook 2 to 3 minutes, or until browned on 1 side. Flip patties and place in preheated oven. Cook for 12 to 15 minutes for medium doneness.
- Serve hot on toasted buns with desired condiments.
