Nigella Lawson's Lemon Polenta Cake - be excellent if you could find a way to replace all the sugar! Also try switching traditional cornmeal polenta (grain) for ground chestnuts or chickpeas?
Pear and Almond Cake with Almond Crunch Topping: This delicious pear and almond cake recipe is a perfect dessert for a winter dinner party.
Quince almond cake - quite elaborate
This cake incorporates the Poached Vanilla Quince (also pinned here). I'm going to try the Gluten free version.