Preparation

Prepare Patties: Combine all patty ingredients in a bowl. Form the mixture into small patties, each about 3/4 inch thick.

Layer Veggies in Slow Cooker: Place a bed of sliced onions and mushrooms at the bottom of the slow cooker.

Brown Patties: In a skillet, brown the patties on both sides to enhance their flavor. Then, place them over the onions and mushrooms in the slow cooker. (Alternatively, you can place raw patties directly into the slow cooker, but browning is recommended for better flavor.)

Prepare Gravy: Mix beef broth, gravy mix, ketchup, and mustard (if using) in a separate bowl. Pour this mixture over the meat and vegetables in the slow cooker.

Slow Cook: Cover and cook on low for 5 hours.

Thicken Gravy: After cooking, remove the patties from the slow cooker. Switch the cooker to high, and whisk in the cornstarch until the gravy thickens.

Final Touch: Return the patties to the slow cooker, coating them well with the thickened gravy.

Serve and Enjoy: Your slow cooker Salisbury steak is ready to be served. Enjoy this classic, comforting meal with your favorite sides.

This Salisbury steak recipe promises a delicious, fuss-free meal that brings back the warmth of home-cooked comfort food. Perfect for anyone seeking a nostalgic, hearty dinner.