1Heat oven to 375°F. Cook and drain pasta as directed on box; set aside.
2Meanwhile, cook broccoli as directed on bag. In medium bowl, stir broccoli, ricotta cheese, Parmesan cheese and garlic powder until well mixed. Stuff shells with about 2 tablespoons broccoli mixture each.
3Spread 1 cup pasta sauce on bottom of ungreased 13x9-inch baking dish. Place shells on top of sauce in baking dish. Spoon remaining 1 cup sauce over shells; sprinkle with Cheddar cheese.
4Bake 20 to 25 minutes or until bubbly and hot. Cool 5 minutes.