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.
Ames, IA has a population of 62,815 people with a median age of 23.2 and a median household income of $41,616. Between 2014 and 2015 the population of Ames, IA grew from 61,276 to 62,815, a 2.51% increase and its median household income declined from $42,373 to $41,616, a -1.79% decrease. The population of Ames, IA is 81.8% White, 9.2% Asian, and 3.14% Black.