Our Vision, Job, and Paradigm. The Job of the County of San Bernardino is to create a county in which those who reside and invest can prosper and achieve well-being.
Quick Answer. It takes 9 to 10 hours to cook a 3-pound beef top round roast in a Crock-Pot at the low setting. The roast only requires about 5 hours of cooking time at the high setting, but this tough cut of meat isn't recommended for cooking on the high setting. The faster cook time and higher temperature doesn't break down the tough meat fibers and leaves the roast tough.
1 Place roast in a roasting pan with broth and cover with foil. 2  Or you can use and dutch oven with a lid. 3  Bake at 275 degrees until fully cooked. 4  For a 3 pound roast it takes about 3 hours, a 4 pound roast about 4 hours. 5  If you are using a cast iron pot it may cook a little faster since the pan holds the heat better.