Nigella Lawson's Chocolate Olive Oil Mousse

Incorporating olive oil into this chocolate mousse recipe is what gives it its perfectly smooth, soft texture - along with a unique flavor and a great serving of healthy fat. It works with another heart-healthy ingredient, bittersweet chocolate, to create the perfect amount of sweetness. For the best results, use a high-quality olive oil that is smooth but a bit spicy.

From AT MY TABLE by Nigella Lawson. Copyright © 2018 by Nigella Lawson. Reprinted with permission from Flatiron Books.

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6 oz Bittersweet chocolate (roughly chopped)
7 tbsp Extra-virgin olive oil
4 Large eggs (at room temperature, separated)
1 pinch Sea salt flakes (plus 1/4 teaspoon)
1/4 cup Superfine sugar
6 1/2 cup Ramekins or 8 espresso cups

Melt the chocolate either in the microwave or in a large heatproof bowl suspended over a saucepan of simmering water but not touching the water. Either way, make sure you remove the chocolate from the heat before it is completely melted, then stir it gently so the last pieces of chocolate dissolve. Leave to cool for 10 minutes. Stir in the oil to combine and set aside for a moment.

Whisk the egg whites and a pinch of sea salt flakes in a grease-free bowl until you have firm peaks. Set aside for the moment.

In another bowl, large enough to take everything later, whisk the yolks, sugar, and 1/4 teaspoon of sea salt flakes until pale, thick, and about doubled in volume. You don't need to clean the beaters when going from white to yolks.

Gradually pour the chocolate-oil mixture into the beaten yolks and fold to mix completely. Add a third of the beaten egg whites and fold in vigorously to lighten the mixture; no need to be delicate at this stage. Now gently fold in another third of the egg whites and, when that second lot is incorporated, fold in the final third leaving behind any liquid at the bottom of the bowl of whites. No white streaks should be visible.

In a rather freeform way, gently spoon the mousse into your ramekins or cups. To get the right texture - soft and satiny, rather than set like a more traditional mousse - you can either refrigerate for 20 minutes and then eat straight away, or for exactly one hour and then take out to come to room temperature for 40 minutes before eating.