How To Blanch Zucchini For Fish. (step 4 above) dry off zucchini with a paper towel or dish towel. Stand over the sink and place the zucchini under warm, running water.
Bring a full pot of water to a boil and drop the slices into the pot for 1 minute. Plunge the zucchini into the boiling water and cook for 60 seconds. An alternative variant of blanching.