Make Ahead Mashed Potatoes

I made these my my mother in law's party and they were super easy.  I made them the day before than reheated before the party. 

5 poundsYukon Gold potatoes, cubed

2 (3 ounce) packagescream cheese

8 ouncessour cream

1/2 cupmilk

salt and pepper to taste

 

 

Preheat the oven to 325 degrees F (165 degrees C).

Place potatoes in a large pot of lightly salted water. Bring to a boil, and cook until tender, about 15 minutes. Drain, and mash.

In a large bowl, mix mashed potatoes, cream cheese, sour cream, milk, onion salt, and pepper.

Transfer to a large casserole dish.

Cover, and bake for 50 minutes in the preheated oven.