Mushroom and Onion Smothered Cube Steak

"Mushroom and Onion Smothered Cube Steak is easy to make and is perfect for a weekend dinner. Tender cube steak smothered with a gravy, mushrooms, and onions on top of mashed potatoes. This recipe is made in a slow cooker so the beef comes out so tender. The gravy for this has a tang to it that makes you begging for a second helping of this dish. It is the perfect dump and forget about it type of recipe."