1. Mix the bottom beef, breadcrumbs, finely chopped onion, milk, egg, Worcestershire sauce, garlic powder, salt, and freshly floor black pepper in a mixing bowl. Combine till all the components are correctly mixed.
2. Kind the combination into oval or spherical patties 1/2 to three/4 inch thick. This recipe makes 4-6 patties, relying on the scale you select.
3. Brown the meat patties on all sides in a pan over medium-high warmth. This course of is used to sear the patties and improve their style. Put the browned patties within the sluggish cooker.
4. Whisk collectively the condensed cream of mushroom soup, dry onion soup combine, and beef broth in a separate basin till completely blended. If you’d like a thicker sauce, add 2 tablespoons of all-purpose flour at this level.
5. If utilizing sliced mushrooms, place them within the sluggish cooker with the browned meat patties. Then, drizzle the mushroom gravy over the patties and mushrooms.
6. Cowl the sluggish cooker and simmer for 4-5 hours on low, or till the meat patties are comfortable and cooked by means of. Sluggish cooking permits the flavors to mix harmoniously.
7. When the Sluggish Cooker Salisbury Steak is finished, serve it sizzling. For a splash of shade and freshness, garnish with chopped recent parsley.