To cook a rib roast boneless, you will need the following ingredients:

• 4-5 pound boneless rib roast
• 2 tablespoons olive oil
• 1 tablespoon dried rosemary
• 1 tablespoon dried thyme
• 1 tablespoon garlic powder
• Salt and black pepper to taste

To prepare the roast, preheat your oven to 325 degrees Fahrenheit. Rub the olive oil over the entire surface of the roast, and then season it with the rosemary, thyme, garlic powder, salt, and black pepper. Place the roast in a roasting pan, and roast it for about 15 minutes per pound, or until it reaches an internal temperature of 145 degrees Fahrenheit for medium-rare. Let the roast rest for about 10 minutes before slicing and serving.

Here is a step-by-step guide to help you cook a delicious rib roast boneless:

1. Preheat your oven to 325 degrees Fahrenheit.

2. Rub the olive oil over the entire surface of the roast, and then season it with the rosemary, thyme, garlic powder, salt, and black pepper.

3. Place the roast in a roasting pan, and roast it for about 15 minutes per pound, or until it reaches an internal temperature of 145 degrees Fahrenheit for medium-rare.

4. Let the roast rest for about 10 minutes before slicing and serving.

I hope this helps! Let me know if you have any other questions.