01 -
In a 5-quart slow cooker, whisk together dry onion soup mix, cream of mushroom soup, and beef broth until mostly smooth.
02 -
Cut beef chuck roast into 1-inch cubes and sprinkle evenly with lemon pepper seasoning.
03 -
Place seasoned beef into the slow cooker with the sauce mixture and stir to combine.
04 -
Cover and cook on low heat for 6 to 8 hours until meat is tender.
05 -
In a medium saucepan, melt butter over medium heat. Whisk in flour until smooth and cook for 1 to 2 minutes to form a roux.
06 -
Remove beef pieces from slow cooker and set aside. Pour 2 cups of the slow cooker liquid into the roux while whisking continuously. Increase heat to medium-high and whisk until thickened.
07 -
Return the thickened gravy to the slow cooker and stir in the beef tips. Mix well to coat.
08 -
Serve hot over cooked rice, mashed potatoes, or egg noodles as preferred.