Half-baked thin crusts only need about 10mins to cook, whereas deep dishes take almost twice as long. The best way to know when those are ready? Stick a knife in the center and see if the cheese pulls like so when you dig it out.
Once it's ready, pull it off the now molten-hot tin foil with the little cardboard disc your pizza comes on. Didn't get a cardboard disc? Use the cardboard from the box your beer came in. Bought cans and don't have a cardboard box? WHY ARE YOU MAKING THIS SO DIFFICULT???