My favorite tweak to this dough is the addition of a little plain whey protein powder. (lowcarbmaven.com)
340 g / 12 oz Tera's Whey Organic Plain Whey Protein powder is a super clean protein powder that can be added to any of your favourite smoothie recipes, yogurts... (purefeast.com)
The French Vanilla is pretty much the natural color of plain whey protein... so I haven't done anything to it, other than add stevia and vanilla powder, as mentioned in the recipe. (thehealthyfoodie.com)