Cook 1 cup olive oil with 5 or 6 rosemary sprigs in a small saucepan over medium heat, about 5 minutes. Remove from the heat and cool to room temperature. Transfer the sprigs to a bottle or cruet, then add the oil and seal. Refrigerate up to 1 month.
Photograph by Gemma Comas
Recipe courtesy Giada De Laurentiis for Food Network Magazine