Creamy Baked Macaroni and Cheese

 

2 cups elbow macaroni

2½ cups shredded Cheddar cheese, divided

2 cups small curd cottage cheese

1 (8-oz) carton sour cream

1 egg, beaten

1 tsp salt

½ tsp pepper

2 T. butter, cut into small pieces

 

Preheat oven to 350°F. Cook macaroni according to package directions. Stir together macaroni, 2 cups Cheddar, cottage cheese, sour cream, egg, salt, and pepper in a large bowl. Spoon into a lightly greased baking dish; dot with butter. Sprinkle with ½ cup cheese. Bake, uncovered, 45 minutes.