Small Mushroom Tarts

Heady with the success of the tomato tarts, and interested in the custardless quiche, though such, of course, is a contradiction in terms, I started playing with the idea of a mushroom version. There’s something rather magnificent in the way these cream-glazed long-sliced flat mushrooms look like silvery sardines as they lie in their polenta pastry case, and something utterly glorious in the intense boskiness of their taste.