Looks like pancake batter to me!
There's definitely yeast in there...it must be a starter.
We're thrilled that you came to visit us here at BURP! Thanks so much for taking the time to write. We're not always able to respond to every comment, but we'll make every effort to answer questions in a timely fashion. We especially enjoy reading about what's going on in your own creative kitchens. So, don't be shy!And thanks for stopping by!