This delicious Slow Cooker Beef Sub Sandwich is made with tender, and flavorful beef made in the Crock Pot. This beef is slow cooked with Italian herbs, mushrooms, and onions. It's perfect as a nice sub sandwich and as a main dish.
This is by far my family's favorite Slow Cooker Beef Stroganoff recipe! An ultra rich and creamy, amazingly flavorful sauce (without any "cream of" anything!), crazy tender meat all made in the crockpot for a gourmet meal with hardly any effort!