Are All Coffee Mugs Oven-Safe?

So you came across these nifty coffee mug cake recipes that you can use in a microwave, but all you have is an oven. Can you put all coffee mug types in the oven? If not, which types are oven-safe, and at what temperatures are they safe? Not all coffee mugs are oven-safe. Ceramic coffee … Continue reading Are All Coffee Mugs Oven-Safe?