Roasted Banana Marmalade Chocolate Tart

The filling of this tart is a classic chocolate ganache to which you add one egg. The egg sets the chocolate but the texture is so luscious—dense, velvety, and yet sophisticated—you’ll find that you turn to this recipe whenever you need to bring a dessert to any kind of gathering.

You fully bake the sweet dough shell and let it cool before pouring in the filling, and then bake the tart in a low oven—just 200°F [95°C]. You can watch as the transformation takes place: The filling lift