In a hunt for lunch pail snack foods, I found something like these – they seem ok, not sure about the energy part of the original claim.
1 cup oats (not instant)
1/4 cup honey
1/4 cup smooth peanut butter
1/2 tsp vanilla
Mix together by hand and refrigerate 30 min then roll into bite size balls.
Things we've tried and don't like:
Raisins win over chocolate chips