Charred Onion and Swiss Cheese Tart

30 minutes - 40 minutes
to cook

The sight of a bumper crop of shallots inspired me to make up a variation on my traditional onion tart, using Swiss cheese (Gruyere in this instance).

We served it with a plentiful amount of tomato salad tossed with an equally plentiful amount of basil.  Vegetarians may like to know a Parmesan 'style' cheese is available from Bookham and Harrison.

The Delia Online Cookery School: There are more recipes for quiches and tarts in our video, to watch just click the recipe image to play.

This recipe is from A Year in My Kitchen Serves 4

  • method
  • Ingredients


To make up the pastry: sift the flour and salt into a mixing bowl, sprinkle in the parmesan then rub the butter in until the mixture becomes crumbly.

Then add enough cold water to make a dough that leaves the bowl clean. Place the dough in a polythene bag and leave it to rest in the fridge for half an hour or so. In the meantime, melt the butter and oil in a frying-pan, add the sliced onion and cook over a highish heat, stirring now and then, for about 15 minutes until the slices have softened and charred round the edges.

Then roll out the pastry to line the flan tin, prick the base with a fork and bake in the centre of the oven for 15 minutes. Beat up the eggs (for the filling) and use a little of it to brush the inside of the pastry case, then return it to the oven for a further five minutes. Now spread half the grated cheese over the base of the flan followed by the charred onions. Spread the rest of the cheese over, whisk the beaten egg with the cream and some seasoning and pour over the top.

Return the tart to the oven and bake for 30-40 minutes, until the filling is puffed up and golden brown. Then remove it from the oven and allow it to settle for about 10 minutes before serving.

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