Boil the PotatoesPeel and chop potatoes into chunks.Add to a pot of salted water and boil 15–20 minutes until fork-tender.Do not overcook to avoid gummy texture.Drain & MashDrain potatoes well.Add butter while hot and mash.Gradually add milk or cream until smooth and fluffy.Add Flavor MixStir in sour cream, cheddar cheese, garlic powder, salt, and pepper.Mix until cheese is melted and well combined.Fold in ToppingsAdd crumbled bacon, green onions, and extra cheddar if desired.Fold gently to keep texture light.Finish & ServeTop with more cheese, bacon, and green onions.Serve warm.