Stanislaus County, California. Stanislaus County (/ËstÃ¦náµ»slÉËs/ or /ËstÃ¦náµ»slÉË/) is a county located in the Central Valley of the U.S. state of California. As of the 2010 census, the population was 514,453. The county seat is Modesto. Stanislaus County comprises the Modesto Metropolitan Statistical Area.
Sear the rib roast (prime rib) for 15 minutes at the higher oven temperature (450 degrees F.), then turn the oven to the lower temperature (325 degrees F.) for the rest of the cooking time. Every 1/2 hour, baste the cut ends of the roast with the fat accumulated in the roasting pan. Do Not Cover the roast.he internal temperature will rise to 125 degrees F. to 130 degrees F. (medium rare) in approximately 15 to 20 minutes. If allowed to rest as long as an hour, the internal temperature will rise even higher. So, pay attention to how long you let the cooked prime rib roast sit.
Step 4: When ready to cook, brush and oil the grill grate. Place the roast, fat side up, on the hot grate over the drip pan and cover the grill. Step 5: Grill the roast until cooked to taste, 3 1/2 to 4 hours for a medium-rate roast of this size, figuring on 12 to 14 minutes per pound.(If using a charcoal grill, youâll need to add 10 to 12 fresh coals to each side every hour.esides, you can let a cooked prime-rib roast stand for up to 30 minutes before carving. Indeed, at least 10 to 15 minutes of standing time is recommended to allow the juices to flow from the center of the roast back to the exterior. 1  Yield: 12 to 16 servings. 2  Method: Indirect Grilling.