One day in the grocery store I found this powdered peanut butter. It is basically what's left if you press all the oil out of the peanut butter. Anyway, it is really easy to add to a smoothy and much lower in fat than actual peanut butter. Try spinach or kale, chocolate almond milk, a banana and some powdered peanut butter for an awesome treat. It is a treat because the chocolate almond milk has quite a bit of sugar. I guess you could use unsweetened almond milk and cocoa powder instead.