Roasted Sweet Potatoes

2 large sweet potatoes, peeled and cubed
3 tbsp olive oil
2 tsp packed brown sugar
1 1/2 tablespoon paprika
1/2 teaspoon black pepper
1/2 teaspoon onion powder
1/2 teaspoon garlic powder
1/2 tsp chili powder

Preheat oven to 425.
Place potato cubes in a large bowl and drizzle with the olive oil.  Add the other ingredients and toss to coat well. 
Place aluminum foil on a baking sheet and spray with oil.  Spread the potatoes in a single layer on the foil.
Bake in oven for 15 minutes, remove and flip potatoes over - then bake another 15 minutes.