1. Cook spaghetti according to package directions. Drain.

2. Return spaghetti to warm saucepan. Stir butter into hot pasta until melted. Stir in egg and Parmesan; set aside.

3. Meanwhile, in a medium skillet cook ground beef, onion, sweet pepper, garlic, and fennel seeds until meat is brown and onion is tender. Drain. Stir in tomato sauce and oregano; heat through.

4. Coat a 9-inch pie plate with nonstick cooking spray. Press spaghetti mixture onto bottom and up sides of pie plate, forming a crust. Spread cottage cheese on the top and up the sides of pasta crust. Spread meat mixture over cottage cheese. Sprinkle with shredded mozzarella cheese.

5. Bake in a 350 F oven for 20 to 25 minutes or until bubbly and heated through. To serve, cut into wedges.