These. An easy thing to buy frozen in a bag, but an easy thing to make at home, too. Have you ever tried making sweet potato fries? I often make them now, especially alongside homemade veggie burgers. The combination is one of my favorite at-home meals - it's casual but still totally decadent.
Cooking these up is simpler and quicker than it looks. I don't mess with a deep fryer or pan of oil; roasted in the oven instead, sweet potato fries are healthier and easier than their restaurant counterparts. They may not have as much of a deep, oily crunch, but I almost like them better this way.
So, the recipe, of sorts. Cut one large sweet potato per person into imperfect matchsticks, and lay them out on a cookie sheet doused in a little olive oil, salt, pepper, paprika, cayenne, and garlic. Roast them at 450 degrees for twenty to thirty minutes, or until they're getting brown; flip them over halfway through. If you want to boost the crispiness of the fries, try this method of dusting them with cornstarch. It hasn't ever worked very well for me, but maybe you'll follow the directions more closely than I did. :)