Spicy Sweet Potato Fries

2 lbs. sweet potatoes, cut into wedges
3 Tbsp. olive oil
1 1/2 tsp. brown sugar
salt
1/4 tsp. cumin
1/4 tsp. chili powder
pinch of cayenne pepper

Toss together. Layer on a cookie sheet. Roast at 425 F about 20 minutes. Turn once.