Do not cover or add water. Place the roast in the preheated oven. Reduce the temperature to 475 degrees F (245 degrees C). Roast for 21 minutes (seven minutes per pound) then turn off the oven and let the roast sit in the hot oven for 2 1/2 hours. Do not open the door at all during this time! Remove the roast from the oven, the internal temperature should have reached at least 145 degrees F (65 degrees C).
While Ames is the largest city in Story County, the county seat is in the nearby city of Nevada 8 miles (13 km) east of Ames. Ames is the home of Iowa State University of Science and Technology (ISU), a public research institution with leading Agriculture, Design, Engineering, and Veterinary Medicine colleges.
Scott County, Iowa. Scott County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 165,224, making it the third-most populous county in Iowa. The county seat is Davenport. Scott County is included in the Davenport-Moline-Rock Island, IA-IL Metropolitan Statistical Area.