Ingredients

• 3 (10.5 ounce) cans condensed French onion soup
• 3 (10.75 ounce) cans condensed cream of mushroom soup with roasted garlic
• 8 cups water
• onion powder, or to taste
• 10 pounds boneless beef chuck roast

Instructions

1. Pour French onion soup, cream of mushroom soup with roasted garlic, and water into a large electric roasting pan. Whisk thoroughly to remove lumps; stir in onion powder.
2. Place beef chuck roast in soup mixture; spoon soup over beef to moisten.
3. Cover the roasting pan, set temperature to 300 degrees F (150 degrees C), and cook beef until very tender, 6 to 8 hours.