The latest spicy food trend is all about heightened experience + fire. Walk through the snack aisle or fast-food menu lately and you’ll notice something happening. Everything is getting hotter: Hot honey is slathered on pizza, fried chicken, and even roasted veggies. Snack brands are launching ramen-inspired spicy flavors and cayenne-kicked chips. Fast-food chains are partnering up with viral spice brands and shows like Hot Ones to create menu items that challenge customers’ tolerance for...