Easy Mashed Potato Casserole

Ingredients

• 2 tablespoons butter
• 9 large potatoes , peeled
• 1 , 8 ounce
• 1 , 6 ounce
• 1 teaspoon onion salt
• 0.5 teaspoons garlic powder
• 1 dash ground black pepper
• 0.5 cups shredded Cheddar cheese
• 1 pinch dried parsley flakes , or to taste
• 1 pinch paprika , or to taste

Instructions

1. 1

   Gather all ingredients. Preheat the oven to 350 degrees F (175 degrees C). Butter a 9x13-inch casserole dish.

2. 2

   Place potatoes into a large pot and cover with salted water; bring to a boil. Reduce heat to medium-low and simmer until tender, about 20 minutes. Drain potatoes; reserve water for mashing, if necessary.

3. 3

   Add sour cream, cream cheese, onion salt, garlic powder, and pepper to the potatoes. Using a potato masher or electric beater, beat the potato mixture until creamy. Add reserved cooking liquid, 1 tablespoon at a time, only if needed to achieve a creamy consistency.

4. 4

   Transfer mashed potatoes into the prepared casserole dish; sprinkle Cheddar cheese, parsley, and paprika on top.

5. 5

   Bake, uncovered, until cheese is melted and bubbly, about 35 minutes.