Mashed Potato Casserole - cooking recipe

Ingredients

1 qt. mashed potatoes (about 12 large potatoes)
1 large (16 oz.) sour cream
8 oz. cream cheese
4 Tbsp. butter
1/2 tsp. garlic salt
salt and pepper to taste
1 c. grated Colby cheese

Preparation

Peel and cut up potatoes.
Cook until tender.
Mash the potatoes.
Add butter, sour cream, cream cheese, salt and pepper. Mix well.
Put in a 9 x 13-inch greased baking dish.
Sprinkle the shredded cheese on top and bake at 350\u00b0 for 30 minutes.