Easy and Flavorful Slow Cooker Swiss Steak With Tomatoes

Gather the ingredients. ​The Spruce Eats / Katarina Zunic Combine flour, thyme, paprika, salt, and pepper in a small, shallow bowl, or pie plate. ​The Spruce Eats / Katarina Zunic Brush the beef pieces with Worcestershire sauce. ​The Spruce Eats / Katarina Zunic Then dredge in the flour mixture. ​The Spruce Eats / Katarina Zunic Heat a large heavy skillet over medium-high heat. Add the oil to the hot skillet, and then the coated steak pieces; sear for about 5 minutes on each side. ​The Spruce Eats / Katarina Zunic Transfer steak to the slow cooker. Sprinkle the minced garlic and sliced celery over the steaks, then top it with the sliced onion and tomatoes. ​The Spruce Eats / Katarina Zunic Pour beef stock into the hot skillet and use a spatula to loosen any brown bits. Let cook for a minute or two. ​The Spruce Eats / Katarina Zunic Then pour over steak in the slow cooker, cover, and cook on LOW for 7 to 9 hours or on HIGH for about 4 to 5 hours. ​The Spruce Eats / Katarina Zunic Serve with mashed potatoes, noodles, or rice, alongside a tossed salad, green beans, or your family's favorite side vegetables. ​The Spruce Eats / Katarina Zunic