For a hearty and delicious vegetarian meal, try making ratatouille stuffed portobello mushrooms. The mushrooms are filled with a mixture of sautéed eggplant, zucchini, bell peppers, tomatoes, and onions, along with herbs and spices. They are then baked until the mushrooms are tender and the filling is golden and bubbly. Serve them as a main course with a side salad or as a side dish with grilled meat or fish. It's a flavorful and satisfying dish that is sure to impress.