21 Club Burger

From Semi-Homeade cookbook by Sandra Lee

• Ready In: 2 hrs 16 mins
• Serves: 4
• Yields: 4 hamburgers

Ingredients

• 1⁄4 cup  finely chopped celery
• 3  tablespoons butter, divided
• 2  lbs  ground sirloin
• 1⁄4 cup  breadcrumbs
• 1 (1 ounce) packet  au jus mix
• 4  toasted  buns

Directions

1. Preheat oven to 400 degrees.
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. In bowl, combine sirloin, bread crumbs, au jus, and celery. Form in to 4 patties.
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.