How long does it take to cook a 4.8 pound roast at 275?

The roasting time for a 4.8-pound roast at 275°F depends on the type of roast and the desired doneness. Here are the general guidelines for cooking a 4.8-pound roast at 275°F:

- Beef roast (medium): 3 1/2 to 4 hours

- Pork roast (fully cooked): 4 to 5 hours

- Lamb roast (medium-rare): 3 1/2 to 4 1/2 hours

- Chicken roast (fully cooked): 3 to 3 1/2 hours

Always use a meat thermometer to check the internal temperature of the roast to ensure it reaches the desired doneness.