Mini cake pans?

My mom got me these little vintage pans and I’m not sure what kind of recipe to use … I was thinking mini Bundt but these are a little different since they don’t have a hollow middle. What would you bake with these?

My mom got me these little vintage pans and I’m not sure what kind of recipe to use … I was thinking mini Bundt but these are a little different since they don’t have a hollow middle. What would you bake with these?