Heat an oven to 200 F.
In boiling water, add salt and the macaroni and boil for 9 minutes or until soft.
Drain the water and put the boiled macaroni in a bowl. Mix the macaroni with mozzarella and sliced cheddar cheese.
Bake in an oven for 7~8 minutes or until the crust is slightly brown.
If desired, sprinkle the top with OTTOGI BLACK PEPPER POWDER.