Preheat oven to 350°F (180°). Mix ground beef, 1/2 cup (125 mL) of the ricotta and 1/2 tsp (2 mL) each of the basil, oregano and rosemary in medium bowl. Shape into 12 meatballs. Place in 13x9-inch (33x23 cm) baking dish sprayed with no stick cooking spray.