Cheesy Baked Mashed Potatoes

These are so good!  And they don't need anythnig to go on them (which I think is the best part).  Super cheesy and delicious!

Cheesy Baked Mashed Potatoes
Recipe from www.cucinafamiglia.blogspot.com

6 large baking potatoes

4 oz cream cheese
1/4 cup butter
1/2 cup Cheddar cheese
1/2 c. Mozzarella cheese
3/4 cup grated Parmesan cheese
1 teaspoon garlic salt
1 teaspoon season salt
salt and pepper to taste

Cube potatoes and put in a pot.
Cover potatoes with 2" of water and bring to a boil.
Cook until tender, about 15-20 minutes.
Strain potatoes and return to pot.
Add the rest of the ingredients and mash.
Put in a baking dish at bake uncovered at 375 for 20 minutes.