When you're craving a burger , chicken nuggets , and some fries , a trip to your favorite fast-food restaurant is in order. And if you happen to want a sweet treat to cap off the meal after indulging in all that salt that comes from your main course , it's understandable. But there are some truly unhealthy, worst fast-food desserts that just shouldn't be eaten after a big meal , and frankly, you should just avoid them entirely. Here, we break down the worst fast-food desserts , ranked from the bad to the absolute worst, so you know exactly which sweet treats you're much better off without. And while you're making better choices, be sure to stock up on The 7 Healthiest Foods to Eat Right Now . 13 White Castle Fudge-Dipped Brownie on a Stick Per 1 brownie : 250 calories, 12 g fat (7 g saturated fat, 0 g trans fat), 95 mg sodium, 35 g carbs (1 g fiber, 26 g sugar), 2 g protein Although this White Castle brownie that, yes, is actually served on a stick is th