I tend to go for wholefoods. More calorific than a Muller Light but not processed so better for you:
(1)banana sprinkled with raw cacoa nibs (chocolate - but it's just the nut, none of the sugar and additives), large tbsp of live Greek yogurt. I get raw chocolate by the kilo from here:
http://www.shazzie.com/
or
(2)
http://www.hempmarket.com/cgi-bin/hm...e=foodproducts
Raw hemp nibbles a little handful - my 18 year old son loves these!