Pot Roast for Any Day of the Week 1 top round roast, about 2 to 3 pounds 1 can cream of mushroom soup 1 can French onion soup 2 to 3 lb red potatoes, scrubbed and peeled, halved Put the roast in the crockpot. Put the halved potatoes around the roast. Combine the soups and pour over the roast and potatoes. Cover and cook on low for 7 to 9 hours, until the roast is tender. Pour juices into a saucepan and bring to a boil. Reduce heat to medium for about 4 to 5 minutes, until reduced slightly to make a nice gravy. Good with mashed taters or rice, veggies of choce, and/or salad. Crusty bread is good, too! Serves 4 to 6.