Prepare the Ingredients: Cut the beef chuck roast into 1-inch cubes. Sprinkle the lemon pepper seasoning over the beef cubes, ensuring an even coating.
Combine in Crock Pot: In the Crock Pot, mix together the dry onion soup mix, cream of mushroom soup, and beef broth. Whisk until well combined.
Add Beef: Place the seasoned beef cubes into the Crock Pot and stir everything together to coat the beef in the gravy mixture.
Slow Cook: Cover and cook on low for 6-8 hours. The beef should be tender and fully cooked through.
Make Gravy (Optional): About 20 minutes before serving, melt butter in a medium saucepan over medium heat. Add flour and whisk to create a roux. Gradually pour in 2 cups of the beef broth mixture from the Crock Pot, whisking until smooth. Let it come to a boil and thicken, then pour it back into the Crock Pot with the beef. Stir well.
Serve: Serve the beef tips over rice, mashed potatoes, or egg noodles. Enjoy!