Melt-in-Your-Mouth Pot Roast

Place potatoes and carrots in a 5-qt. slow cooker. Cut roast in half. Combine the mustard, rosemary, garlic salt, thyme and pepper; rub over roast. , Place in slow cooker; top with onion and broth. Cover and cook on low until meat and vegetables are tender, 6-8 hours. If desired, top with minced thyme. Freeze option: Place sliced pot roast and vegetables in freezer containers; top with cooking juices. Cool and freeze. To use, partially thaw in refrigerator overnight. Heat through in a covered saucepan, gently stirring and adding a little water if necessary.