01 -
Set the oven to 220°C and allow it to come to full temperature.
02 -
In a large mixing bowl, combine the sliced potatoes and onions.
03 -
Drizzle the olive oil over the potatoes and onions, sprinkle with garlic powder, paprika, salt, and black pepper, then toss until the vegetables are evenly coated.
04 -
Spread the mixture out onto a baking sheet in a single, even layer.
05 -
Place in the oven and bake for 30 to 35 minutes, turning the vegetables halfway through, until they are cooked through and golden brown on the edges.
06 -
Remove from the oven. If desired, scatter chopped parsley over the top and serve hot.