These stuffed zucchini boats offer a hearty, satisfying meal that balances earthy vegetables with a creamy, savory protein. The firm tofu is marinated in a blend of soy sauce and peanut butter, creating a rich, umami-packed filling when combined with sautéed mushrooms, onions, and celery. The mixture is nestled into steamed zucchini shells and baked in a light broth infused with garlic, herbs, and spices. The result is a tender, flavorful dish with a comforting texture that feels both rustic and elegant. Perfect for a wholesome weeknight dinner or a vegetarian-friendly potluck, this recipe highlights simple ingredients to create a deeply satisfying main course. It’s a versatile option that appeals to those looking for plant-based comfort food without sacrificing flavor or substance.