Add roast to crock pot, sprinkle with soup mix and onion. Add water about halfway up roast. Cover and cook on low 3-4 hours.
Add potatoes and carrots. Add 1 tsp each salt and pepper. Add water to cover vegetables. Continue on low 3-4 hours.
For Gravy: Mix flour/milk in a glass or other container. Heat broth in pan and stir in flour/milk over heat until thickened.
Enjoy!
