Cook spaghetti as directed and drain. Return to pot. Heat oven to 425. Spray a 9" x 13" casserole dish w/ cooking spray.
In bowl, beat milk and egg. Add to spaghetti and mix. Pour into casserole dish. In lg skillet, over medium heat, brown ground turkey, onion, green bell pepper and garlic. Add all seasonings, cook, stirring for 2 mins.
Stir in tomato sauce, cook 2 mins. Spread meat mix over spaghetti. Sprinkle w/ cheeses. Bake 10 mins, or until cheese is melted.