Creating delicious Steakhouse Potatoes Romanoff is simple if you follow these clear steps:

1. Preheat Oven: Preheat your oven to 350°F (175°C).
2. Prepare Potatoes: Wash and peel the russet potatoes. Cut them into small cubes.
3. Boil Potatoes: In a large pot, add the cubed potatoes and cover them with water. Bring to a boil and cook for 10-15 minutes, or until the potatoes are tender.
4. Drain Potatoes: Drain the cooked potatoes and set them aside to cool slightly.
5. Mix Ingredients: In a large bowl, combine sour cream, shredded cheddar cheese, diced onion, milk, garlic powder, salt, black pepper, and paprika. Mix well until all ingredients are combined.
6. Add Potatoes: Gently fold the cooked potatoes into the sour cream mixture until they are fully coated.
7. Transfer to Baking Dish: Pour the potato mixture into a greased 9×13-inch baking dish, spreading it evenly.
8. Prepare Topping: In a small bowl, mix crushed cornflakes with melted butter. Sprinkle this mixture evenly over the top of the potatoes.
9. Bake: Place the baking dish in the preheated oven and bake for 45-50 minutes or until the top is golden brown and the edges are bubbly.
10. Garnish and Serve: Remove from the oven and let it cool for a few minutes. Garnish with fresh chives or parsley if desired before serving.

Following these steps will guide you in creating a mouthwatering version of Steakhouse Potatoes Romanoff that everyone will love.