3 Envelope Roast Ingredients 3 lb roast such as chuck roast 1 pkg dry Italian salad dressing mix 1 pkg dry ranch salad dressing mix 1 pkg dry brown gravy mix 1 c water How to Make 3 Envelope Roast If desired brown outer edges of roast in pan, if not place in crock pot In a bowl mix water with 3 envelopes of mixes until well blended, pour over roast in crock pot. (If the mixes are too overwhelming use 1/2 of all packages) cook on high for 4 hours or low for 8 hours