Macaroni and Lots of Cheese

8 oz dried macaroni
1/4 cup chopped green onion
2 Tb butter
2 Tb flour
1/8 tsp pepper
2 cups milk
1 1/2 cups shredded cheddar cheese
1- 3 oz package cream cheese, cubed (half box)
1/3 cup grated Parmesan cheese

Cook, rinse, and drain macaroni. While pasta is cooking, microwave butter and onions in medium bowl, covered until butter melts and onions are tender. Stir in flour and pepper. Add milk gradually while stirring.
Cook in microwave on high, uncovered-6-8 minutes or until thick and bubbly. Stir every minute until mixture starts to thicken, then stir every 30 seconds.
Add cheddar and cream cheese. Stir until smooth. Stir in pasta. Sprinkle Parmesan cheese on top. Microwave 2 minutes.
May garnish with tomato wedges and green onions.