I cna't remember where I got this from but these are really good. Your house will smell delicious. Cutting them the same size is key and they are really difficult to cut but its worth it.
Baked Sweet Potato Fries
3 large sweet potatoes or yams
3 tablespoons olive oil
1 tablespoon granulated sugar
1 tablespoon kosher salt
1 teaspoon chili powder
1 teaspoon garlic powder
1 teaspoon cumin
1 teaspoon dried oregano
Preheat the oven to 425 degrees F. Place two rimmed baking sheets in the oven while it preheats and while you prepare the potatoes (about 10 minutes). Peel the potatoes and slice the potatoes into about 1/4- to 1/2-inch strips or wedges. Try to keep most of the pieces the same size so they bake evenly.
Place the potato strips/wedges in a ziploc bag or bowl. Toss the potatoes with the oil. Add the seasonings and mix until the potatoes are evenly coated.
Carefully remove the hot baking sheets from the oven and divide the potatoes evenly among the two sheets, taking care the potatoes are not touching so they have plenty of room for the air circulate to circulate and bake evenly. Also, try to leave any excess oil in the bag or bowl so the potatoes don't get too soggy while they bake.
Bake the potatoes for about 12-15 minutes, flipping halfway through, if desired, until they are tender and well-browned. Serve immediately.