3 Envelope Roast

3 pound beef roast such as chuck roast
1 envelope of dry Italian salad dressing mix
1 envelope of dry ranch salad dressing mix
1 envelope of dry brown gravy mix
2 cups water
1 medium onion diced

Put the water in a measuring cup that is larger then the amount of water you are using. Now add and mix all three envelopes to the water. Mix until blended completely.
Brown the roast (if desired). Add the meat to your slow cooker. Pour the water, salad dressing mixture over the roast. Add onion on top of the roast. In the slow cooker cook it on high for about 4 hours on low about 8 hours.