This Crockpot Beef Tips recipe is a comforting and hearty meal featuring tender beef tips cooked slowly with pearl onions, mushrooms, and flavorful seasonings in a rich tomato and beef broth sauce. Perfect served over mashed potatoes, mashed parsnips, cauliflower, or noodles, this dish delivers a melt-in-your-mouth experience whether prepared in a slow cooker or an Instant Pot.