Pre-heat oven 350F
Liberally sprinkle salt and pepper all over the roast.
In a small bowl, mix together the olive oil, garlic, rosemary, and sage.
spread the mixture all over the roast
Make slits in the meat, about 1/2-inch wide and deep. Insert the garlic slices into the slits
Set the meat on a roasting pan on a rack if you have one
Cook until an instant-read thermometer inserted into the thickest part of the roast reads 155°F, about 25 minutes per pound.
remove the roast from the oven and let stand for 15 minutes. slice and serve.