#1 Heat oven to 400°F #2 Cook pasta shells as directed on package, omitting salt #3 Meanwhile, toast fennel seeds in medium non-stick pan until fragrant, about 10 sec. Add sausage, onion, garlic, and thyme, cook until meat is browned, about 8 min. Remove from heat. Add cottage cheese and squash mix well #4 Drain shells stuff with meat mixture. Spread alfredo sauce onto bottom of 13x9-inch baking dish sprayed with cooking spray. Top with shells and mozzarella cheese, cover #5 Bake 25 min. or until heated through #6 Remove foil and broil on HIGH until cheese is golden brown #7 Let stand 5 min. before serving.