This doesn't help with your immediate craving and isn't close to Indy, but the best soft serve I have ever had is from the Birdseye Dairy Barn down in Birdseye, Indiana. It's a must stop place for me every time I am down in that part of the Hoosier National Forest.

BIRDSEYE DAIRY BARN - 8 S State Road 145, Birdseye, Indiana 47513 - Rated 4.7 based on 252 Reviews "Was raised being treated here sense I was young. I...