Preheat oven to 425°F (220°C) and line a baking sheet with parchment paper.
Wash, dry, and cut potatoes into thick fries. Pat dry thoroughly.
Toss fries with olive oil, garlic powder, salt, and pepper.
Bake in a single layer for 25–30 minutes, flipping halfway.
Warm chili over medium heat for 5–7 minutes.
Sprinkle cheese over fries and return to oven until melted.
Top with hot chili, sour cream, and green onions. Serve immediately and enjoy these Chili Cheese Fries.