I have a new video I posted
I have a new video that will hopefully help you all while baking. The video will show you how to bake a 2 flavored cake in the same pan. I had this problem myself and would bake several cake so that I could fulfill an order for 2 flavors of cake together. So I began playing around with cardboard in the middle of the pan, and that was a mess, I also tried other things. Finally I tried holding up the pan and puring the batter in all the while not realizing my pan was sitting on a towel. Then it occured to me