You can use "Discover"; the little magnifying glass icon to search through all the available workouts. Today's workout referrers to the schedule of whichever program you're in. In term's of being successful... you're here, you're doing it, I'd say that's success.
Try mixing in other things like peanut butter or a banana. There are also some recipes available on www.dailyburn.com/life
Egg whites. They are packed with protein.