Once the chocolate is melted, turn off the stove top and using potholders, move the bowl of melted chocolate to your Oreo/wax paper work station.
Using a large fork, dip each cookie until covered in white chocolate, give a shake and set on wax paper.
If you're going to sprinkle or sugar the chocolate-covered Oreos do so immediately after dipping in the chocolate.
Let cookies rest on wax paper until the chocolate has set.
Depending on the temperature and humidity in your kitchen, it may take ten to 20 minutes for the chocolate to set.
If you're working in a hot climate, these may not set without refrigeration. If that's the case, store them in the fridge.
If you're not in a hot, steamy kitchen, you can store these cookies in a cookie jar or a plastic bag for as much as two weeks-however they won't last that long.