I start most days with a chocolate protein shake made with Jay Robb Whey Protein. It's the only chocolate thing I ingest since I (largely) gave up sugar about ten years ago. Jay Robb products are free of sugar and also of artificial sweeteners, which neither I nor my body like. They make 'em with Stevia and it's a pretty nice, protein-rich drink especially if you make yours with real cold water. For a time, I also put in a splash of milk but I stopped doing that.
They have a couple of flavors but I like the chocolate way more than the others. Recently though, I came across a product at the market that I'd never seen before — Jif Peanut Powder. I tried adding a teaspoon of it to my Jay Robb chocolate shake and in addition to upping the protein count, I got a pretty good peanut butter flavor drink.
I was expecting something not unlike a Reese's Peanut Butter Cup — a mix of chocolate and peanut butter — but it doesn't work like that. No matter how little peanut powder I put in, the result tastes like peanut butter with almost no trace of chocolate. That is not a bad thing though. You might want to try Jay Robb Whey Protein, with or without the peanut powder.