Batholiths are almost always made mostly of felsic or intermediate rock-types, such as granite, quartz monzonite, or diorite (see also granite dome).
The best method is to cook the frozen corn dogs in the conventional oven by baking them. Preheat your oven to 375 degrees F and bake the frozen corn dogs for 16 to 20 minutes in the middle rack, placed on a baking sheet.
Nuke each cob for three to four minutes. You can stick a couple of cobs in at once, but be sure to increase the cook time accordingly. (If you put in two cobs, microwave for six to eight minutes.) Once it's cooked, remove the corn with gloves or oven mitts -- it's going to be hot.