Directions
Preheat oven to 350°.
Peel and de-vein shrimp if needed.
Cook the macaroni according to package directions. Drain well.
Place drained macaroni in a large mixing bowl.
Add the sour cream, stir together well, until all noodles are coated.
Add the crab meat, stir well.
Finely chop the green onion. Set Aside.
Grate the white cheddar cheese. Set aside.
Grate the mozzarella cheese. Set aside.
Melt the butter in a medium saucepan, or skillet.
Add the shrimp. Turn and stir shrimp until lightly done.
Remove shrimp from pan. Chop slightly when cooled. Add to the macaroni mixture.