1. Preheat oven to 425 degrees F and line a baking sheet with parchment paper.
2. Peel and cut potatoes into 1/2 inch cubes.
3. Place potatoes in a large bowl and season with garlic powder, onion powder, salt, and pepper. Toss to combine.
4. Add flour and olive oil to the bowl and mix until potatoes are evenly coated.
5. Place potatoes on the prepared baking sheet in a single layer.
6. Bake for 20 minutes, flipping halfway through.
7. Remove from oven and let cool for 5 minutes before serving.