You can easily just freeze your smoothie bowl, let it thaw for a few minutes, scoop it out and serve like normal ice cream with perhaps a few cookies on the side? (paleoonabudget.com)
Recently, I discovered the technique of freezing my smoothies in ice cube trays in the freezer. (magicbulletblog.com)
Love your tip about freezing your smoothie before you eat it — what a genius idea! (heathermcclees.com)