01 -
Preheat the oven to 175°C.
02 -
Place diced potatoes in a large pot and cover with water. Bring to a boil and cook until tender, approximately 10-15 minutes. Drain thoroughly.
03 -
In the pot with drained potatoes, add sour cream, cream cheese, shredded cheddar, crumbled bacon, milk, butter, garlic powder, salt, and pepper. Mash until creamy, leaving some texture if preferred.
04 -
Transfer the potato mixture evenly into a greased 23×33 cm baking dish. Sprinkle additional shredded cheddar cheese over the top.
05 -
Bake in the preheated oven for 25-30 minutes until cheese is melted and bubbling.
06 -
Remove from oven and allow to cool slightly. Garnish with chopped green onions before serving warm.