It will still be undeniably delicious! If you’re looking for a satisfying and easy-to-make side dish that’s not overly fussy, you’ve come to the right place. When you combine tender potatoes with a creamy cheese sauce and a crispy topping, you get the perfect dish. The addition of green onions just sends it over the top. I’ve really been in the mood for comfort food, and this hearty dish reminds me of cozy family gatherings. Not a fan of green onions? Don’t worry, it’s still delicious without them.
Kitchen Equipment Needed
- Large pot
- Colander
- Large mixing bowl
- Measuring cups and spoons
- 9×13-inch baking dish
- Spatula or wooden spoon
- Aluminum foil
Ingredients
- 2 pounds potatoes, peeled and cut into 1-inch cubes
- 1 cup sour cream
- 1 cup shredded cheddar cheese
- 1/2 cup mayonnaise
- 1/4 cup green onions, chopped (optional)
- 1 teaspoon garlic powder
- 1/2 teaspoon salt
- 1/2 teaspoon black pepper
- 1 cup crushed cornflakes
- 2 tablespoons butter, melted
Directions
- Preheat the Oven:
- Preheat your oven to 350°F (175°C).
- Boil the Potatoes:
- In a large pot, bring water to a boil. Add the potato cubes and cook for about 10 minutes, or until just tender. Drain the potatoes in a colander and set aside.
- Prepare the Potato Mixture:
- In a large mixing bowl, combine the sour cream, shredded cheddar cheese, mayonnaise, garlic powder, salt, and black pepper. Stir until well mixed.
- Gently fold the cooked potatoes and green onions (if using) into the mixture until the potatoes are evenly coated.
- Assemble the Casserole:
- Spread the potato mixture evenly in a 9×13-inch baking dish.
- Prepare the Topping:
- In a small bowl, combine the crushed cornflakes and melted butter. Sprinkle the mixture evenly over the top of the potato mixture.
- Bake the Casserole:
- Cover the baking dish with aluminum foil and bake in the preheated oven for 20 minutes. Remove the foil and bake for an additional 10-15 minutes, or until the top is golden brown and the casserole is bubbly.
- Cool and Serve:
- Allow the casserole to cool slightly before serving. It can be enjoyed warm and is perfect for a cozy family dinner or potluck.

Cheesy Mississippi Mud Potatoes
Cheesy Mississippi Mud Potatoes are an indulgent, creamy delight that combines tender potatoes with a creamy cheese sauce and a crispy cornflake topping, making it a perfect comfort food side dish for family dinners or potlucks.
Ingredients
- 2 pounds potatoes peeled and cut into 1-inch cubes
- 1 cup sour cream
- 1 cup shredded cheddar cheese
- 1/2 cup mayonnaise
- 1/4 cup green onions chopped, optional
- 1 teaspoon garlic powder
- 1/2 teaspoon salt
- 1/2 teaspoon black pepper
- 1 cup crushed cornflakes
- 2 tablespoons butter melted
Instructions
- Preheat your oven to 350°F (175°C).
- In a large pot, bring water to a boil. Add the potato cubes and cook for about 10 minutes, or until just tender. Drain the potatoes in a colander and set aside.
- In a large mixing bowl, combine the sour cream, shredded cheddar cheese, mayonnaise, garlic powder, salt, and black pepper. Stir until well mixed.
- Gently fold the cooked potatoes and green onions (if using) into the mixture until the potatoes are evenly coated.
- Spread the potato mixture evenly in a 9×13-inch baking dish.
- In a small bowl, combine the crushed cornflakes and melted butter. Sprinkle the mixture evenly over the top of the potato mixture.
- Cover the baking dish with aluminum foil and bake in the preheated oven for 20 minutes. Remove the foil and bake for an additional 10-15 minutes, or until the top is golden brown and the casserole is bubbly.
- Allow the casserole to cool slightly before serving.

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