Cook pasta in unsalted water for approx 10-12 mins, just till tender. Drain well, and return to saucepan & stir in margarine till melted. Stir in egg, & parm.
Spray a 9" pie plate with cooking spray, coting. Press spaghetti mixture on the bottom & up the sides of the pie plate, forming a crust. Spread cottage cheese over crust.
Cook beef, onion, green pepper, garlic, and fennel seed, till onion is tender and meat is NO longer pink. Drain & stir in tomato sauce and oregano; heat through. Spread meat mixture over cottage cheese. Sprinkle mozz atop meat mixture.