Mama's Famous Cheesy Mashed Potato Casserole

This is a favorite mashed potato casserole recipe handed down through the family. These cheesy mashed potatoes are the best you'll ever taste! Everyone is sure to love it. Mama usually just throws together whatever amounts she thinks taste good. But I did get her to give me a recipe with measurements.

• Preparation Time: 25 mins
• Cooking Time: 1 hr 5 mins
• Total Time: 1 hr 30 mins
• Calories: 430 Calories

Ingredients

• ½ cup butter
• 6 ounces cream cheese, softened
• 1 teaspoon salt
• 1 cup sour cream
• ½ cup grated Parmesan cheese
• 1 teaspoon ground black pepper
• 5 pounds potatoes, peeled and cubed
• 4 ounces extra-sharp Cheddar cheese, shredded
• 4 stalks green onions, chopped

Recipe Instructions

Step 1

Place potatoes into a large pot and cover with salted water; bring to a boil. Reduce heat to medium-low and simmer until tender, 15 to 20 minutes.

Step 2

While the potatoes are cooking, preheat the oven to 350 degrees F (175 degrees C).

Step 3

Drain potatoes and return to the pot. Mash while hot. Add sour cream, butter, Parmesan cheese, cream cheese, Cheddar cheese, green onions, salt, and pepper; beat until well blended. Transfer to a 3-quart casserole.

Step 4

Bake in the preheated oven for 45 minutes. Serve piping hot.