Preheat the oven to 425?F.
Rinse the chicken well under cool running water. Pat dry with paper towels. Rub the chicken all over with the olive oil. Season the cavity and the outside of the chicken with the salt and pepper. Sprinkle the rosemary all over the chicken, and place the reserved stems inside the cavity. Place in a small roasting pan.
Roast until an instant-read thermometer inserted in the thickest part of the thigh reads 170?F, 1 to 1 1/4 hours.
Remove the chicken from the oven and ěschmearî (that means rub and smear in my language) the garlic pureČ all over the chicken. Return to the oven and roast until the thermometer reads 180?F when inserted in the thigh, about 15 minutes longer. Let stand for a few minutes before carving.
Yield: 4 servings