This cheesy mashed potato casserole is great for parties or dinners during the week. Ingredients: 6 large potatoes, peeled and cubed 1/2 cup milk 1/4 cup butter 1 cup shredded cheddar cheese 1/2 cup sour cream 1/4 cup chopped green onions 1 teaspoon garlic powder Salt and pepper to taste Instructions: Warm the oven up to 175F 350C Boil the potato cubes until they are soft, then drain them Mix the potatoes, milk, and butter in a big bowl until the mixture is smooth Sour cream, chopped green onions, garlic powder, salt, and pepper should all be added now Put the mixture in a casserole dish that has been greased For 25 to 30 minutes, or until hot all the way through and golden brown on top, bake in an oven that has already been heated If you want, add more chopped green onions as a garnish before serving