Preheat oven to 350 °F
Grease a baking dish
Scoop out the flesh of the zucchini
Place flesh in a bowl
Chop onion and slice some mushrooms
Heat oil in a skillet over medium heat
Cook onions for 5 minutes
Add mushrooms and chickpeas, salt, pepper
Add some vegan cheese and the zucchini flesh
Cook for another 5 minutes
Spoon mixture into zucchini shells
Bake in oven for 30 to 40 minutes, or until zucchini are golden brown