* The amount of dried yeast to use depends on the type, verify the amount indicated on its package. You usually need about 5% of the weight of flour.
Dried yeast can be replaced with fresh sourdough yeast, just reviewing the recipe as follows: use 320 grams (total) of flour, 160 grams of water, 120 grams of fresh sourdough.
The zucchini walnut bread must be kept in a food plastic bag to preserve its moistness. You can keep it for 2 or 3 days at room temperature or up to 10 days in the fridge.