Mashed Potato Casserole

12 medium potatoes
1 - 8 ounce package cream cheese, softened
1 clove garlic
1 cup sour cream
1 tablespoon butter
1 teaspoon salt
1/8 teaspoon pepper

Cook potatoes and mash. Add cream cheese, sour cream, salt, pepper and garlic. Beat until smooth. Pour into casserole dish. Sprinkle with paprika and butter. Bake at 350 degrees for 30 minutes.