- Preheat the oven to 350 °F(175 °C)
- Trim the ends of small Dutch potatoes and then slice into ¼ -inch thick rounds
- Transfer sliced potato rounds to a large bowl, season with parmesan cheese powder, garlic powder, salt, dry parsley, fried onion, black pepper powder, melted butter, stir well to coat the potato rounds
- Grease a muffin tin with nonstick spray, then stack about 7-8 potato rounds in each muffin cup. Bake for about 1 hour or until potato stacks are well browned
- Let cool slightly, serve with sour cream or garnish with spring onion