But why does this happen? Well, wax paper is coated with a thin layer of paraffin wax, which has a relatively low melting point. When you heat it up, the wax can start to melt and vaporize, releasing flammable gases that can ignite if they come into contact with an open flame or spark.
This might seem like a bit of a buzzkill, but don't worry, there are plenty of other oven-safe alternatives out there, like parchment paper or aluminum foil. And if you're feeling adventurous, you can even try making your own oven-safe liners using baking sheets and a bit of cooking spray!
Does Wax Paper Melt in the Oven? Complete Guid
