These chocolate Zucchini Brownies are so moist and delicious you would never know they have Zucchini in them!   The Best Zucchini Brownies Ingredients Brownies 8 ounces zucchini (about one 8" fresh zucchini, trimmed), cut into chunks* (1 and 1/2 cups) 3 tablespoons butter, melted 3 large eggs 1 teaspoon vanilla extract 3/4 cup