Gluten Free Peanut Butter Brownie Cake A three layer brownie batter cake filled and frosted with peanut butter chip buttercream. A three layer brownie batter cake filled and frosted with peanut butter chip buttercream. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to print (Opens in new window)MoreClick to email a link to a friend (Opens in new window)Click to share on LinkedIn (Opens in new window)Like this:Like Loading... Related