3 Envelope Roast: Best beef I've made in the crockpot. 3 pound chuck roast 1 envelope each: brown gravy mix ranch dip mix italian seasoning mix 2 cups water Put roast in crockpot, whisk together other ingredients. Pour over roast. Cook for 8 hours on low (4 hours on high) Update September 15, 2013. I've made this several times since I originally posted. Made it again today. Yummy! I've also made this with a pork roast, and it turned out well.