Crock Pot King Ranch Beef Casserole is a delicious and hearty Tex-Mex dish made with tender beef, creamy sauce, and layers of tortillas. This slow-cooked casserole is packed with flavor from the combination of spices, tomatoes, and cheese. It is the perfect comfort food for a cozy dinner or potluck gathering. Serve it with a side of rice or salad for a complete meal.