Peel and finely dice the shallot.
Peel and finely chop / press the garlic.
Wash the zucchini, cut off the ends, and dice into very small cubes (approx. 0.3 cm).
Grate the Parmesan.
Heat the vegetable broth (or chicken broth) and keep it warm over low heat. This is important so the risotto doesn't cool down too much when you deglaze it.
Chill half of the butter as butter cubes in the fridge.