Learned this 3 ingredient wonder from my sister in law and it makes holiday hosting an absolute breeze

To keep the 3-ingredient spirit but tweak the character, you can swap the dry onion soup mix for a dry mushroom soup mix or a garlic-herb seasoning blend; the texture will stay similar while the flavor shifts subtly. If your crowd prefers a slightly looser sauce, stir in a splash of water, beef broth, or even a bit of dry white wine around the sides of the roast before baking—about 1/4 to 1/2 cup is plenty and will still yield a creamy finish once it mingles with the condensed soup. For a make-ahead holiday plan, bake the roast a day in advance, cool it in its sauce, then reheat covered at 300°F until warmed through; the flavors actually deepen overnight. If you’d like some vegetables without complicating the ingredient list, roast carrots or potatoes separately on another sheet pan with just oil and salt, then nestle them into the casserole dish right before serving so they soak up some of the sauce. Leftovers reheat beautifully on the stovetop with a tablespoon or two of water to loosen the sauce, and the shredded beef makes an excellent filling for open-faced sandwiches over toast or rolls, spooned with plenty of that celery-scented gravy.