Decoctions are the only way to go with this style.
Next time for added complexity, skip a starter and just pitch 1x vial of WLP300 Hefeweizen ale yeast and 1x vial of WLP380 Hefeweizen IV ale yeast into a 5 gal. batch. Ferment around 65F. I did it this spring based off what I read in Jamil's...