✔ 2 cups mashed potatoes (leftover or freshly made)
✔ 2 large eggs
✔ ½ cup shredded cheddar cheese (or your favorite cheese)
✔ ¼ cup grated Parmesan cheese
✔ 2 tablespoons chopped green onions or chives
✔ ¼ teaspoon garlic powder
✔ ¼ teaspoon black pepper
✔ Salt to taste
✔ 2 tablespoons sour cream or Greek yogurt (for extra creaminess)