After the success of the spinach tarts I tried a version with leeks and it turned out great! Leeks and shallots that are cooked slowly can obtain a wonderful sweet flavor and the texture of these tarts is very soft. The tarts are relatively easy to make and quite impressive. You could also serve them in ramekins as soufflés, as the tarts rise dramatically (and also fall dramatically). You could try to beat the egg whites separately and fold them in for even more of a ‘soufflé’ effect. Without further ado, here’s how to make these lovely vegetarian tarts, that could be served as a vegetarian dish by themselves or as a side to either fish or white meat.