For an elegant and impressive dish, try making a ratatouille tart. This recipe takes the flavors of ratatouille and presents them in a beautiful tart form. The tart crust is filled with a mixture of sautéed eggplant, zucchini, bell peppers, tomatoes, and onions, and baked until golden and crispy. The result is a visually stunning dish that is as delicious as it is beautiful. Serve this ratatouille tart as an appetizer or a main course for a special occasion.