Vegan Grilled Zucchini Boats Or friend Cheryl's... nomnom slice a zucchini squash lengthwise in half & scoop out the inside & reserve in a bowl to the side. Boil zucchini until tender. In a food processor blend chickpeas, onions, & garlic. Fill the zucchini with the mixture. Take zucchini insides, chopped onions, garlic & saute for 2 minutes. Dice tomato & toss with mixture & top the filled zucchini boat with mixture. Place boats in the oven for 15-20 minutes.