For Overnight Oats with apple, banana and dried cranberries, mix the muesli with the seeds, spices and yogurt well in a sealable bowl.
Cut the apple, banana and cranberries into very fine pieces, chop the almonds and walnuts.
Stir the fruits and nuts into the flake-yogurt mixture and place the sealed bowl in the refrigerator for a few hours to swell.
Enjoy the Overnight Oats with apple, banana and dried cranberries the next morning.