Creating The Best Creamiest Baked Mashed Potatoes is easy when you follow these straightforward steps:

1. Preheat the Oven: Set your oven to 350°F (175°C).
2. Prepare the Potatoes: Peel and cut the russet potatoes into evenly sized chunks to ensure they cook evenly.
3. Boil the Potatoes: Place the potatoes in a large pot, cover with cold water, and add a pinch of salt. Bring to a boil and cook until potatoes are fork-tender, about 15-20 minutes.
4. Drain: Once cooked, drain the potatoes thoroughly and return them to the pot.
5. Mash the Potatoes: Using a potato masher or hand mixer, mash the potatoes until smooth, being careful not to overwork them.
6. Add Ingredients: Stir in the melted butter, whole milk, sour cream, garlic powder, onion powder, salt, and pepper. Mix until well combined and creamy.
7. Transfer to Baking Dish: Spoon the mashed potatoes into a greased 9×13-inch baking dish, spreading them evenly.
8. Add Cheese: If desired, sprinkle shredded cheddar cheese on top for added flavor.
9. Bake: Place the dish in the preheated oven and bake for 35-40 minutes, or until the top is golden and the edges are bubbling.
10. Garnish: Remove from the oven and sprinkle with fresh chives for a pop of color and flavor.

These simple steps will guide you to create incredibly creamy baked mashed potatoes that everyone will love.