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The dessert, French classic

Floating Island (Île Flottante)

Floating island is a classic French dessert for 6, made of poached meringue clouds set on vanilla custard and topped with caramel. It takes about 50 minutes of active work, the custard and meringues can be made ahead the day before or that morning, and the caramel comes together right before serving. Difficulty is moderate, cost is about €1.30 per person, and the key is watching the custard's temperature so it doesn't curdle.

Big soft clouds of beaten egg whites floating on vanilla custard, a dessert as gentle as a childhood memory.

Floating Island (Île Flottante)
For
6 people
Work
50 min
Total time
1 h 40
Prep
Prepared the day before
Difficulty
Medium
Cost per person
€1.30
Calories per person
410 kcalcalculated by Kiloach, your weight coach

Floating island plays on two textures that balance each other out, the silky softness of vanilla custard and the airy lightness of poached meringue. The caramel on top brings a touch of bitterness and crunch that cuts through the sweetness, while toasted almond slivers add a bit of bite. It's a dessert built on contrast, never heavy, and it charms kids and adults who grew up with it alike.

This is the dessert to make when you want to impress at a family dinner or a get together with friends without disappearing into the kitchen while everyone else is at the table. Since the custard is made the day before, there's very little left to do on the day itself. Serve it after a rich main course, its lightness closes out a hearty menu well, any time of year.

The schedule

What happens when, so you can be with your guests instead of in the kitchen.

  1. The day before 1 step, 30 min
  2. The same day 2 steps, 20 min
  3. Before the guests arrive 1 step, 5 min
  4. When it's time to serve 2 steps

The day before, make the custard and let it chill in the fridge overnight. That morning, whip the egg whites and poach the islands, then keep them chilled under plastic wrap until your guests arrive. Just before they show up, toast the almonds. At serving time, make the caramel on the spot and plate everything in front of everyone, it always gets a reaction.

The ingredients

6 people

Dairy

  • Whole milk 1 l
  • Egg yolks 6
  • Egg whites 6

Pantry

  • Sugar for the custardoften in the pantry 100 g
  • Sugar for the egg whitesoften in the pantry 70 g
  • Vanilla beans 2
  • Sugar for the carameloften in the pantry 150 g
  • Sliced almonds 40 g
  • Saltoften in the pantry 1 pinch

Allergens Lactose, Eggs, Tree nuts

The recipe, moment by moment

The day beforeWhat's better after resting overnight in the fridge.

  1. Heat the milk with the split vanilla beans, whisk the yolks with the sugar, pour the hot milk over them, return everything to low heat stirring until the custard coats the back of a spoon, then strain and let cool. 30 min

    Stop as soon as the custard coats the spoon, past eighty three degrees the yolks start to scramble into lumps.

The same dayDuring the day, whenever you get a moment.

  1. Beat the egg whites into a very firm foam with a pinch of salt, add the sugar in a steady stream and whisk until you get a smooth, glossy meringue.

    The bowl must be clean and completely dry, the smallest trace of fat will stop the whites from whipping up.

  2. Shape large quenelles with two spoons, drop them into barely simmering milk, flip them, let them poach a few minutes, then drain them on a kitchen towel. 20 min

    The milk should just barely simmer, a rolling boil would puff up the islands and then deflate them.

Before the guests arriveThe last hour, right before the doorbell rings.

  1. Toast the sliced almonds in a dry pan and keep the islands chilled, covered with plastic wrap. 5 min

    The almonds brown in about two minutes, don't look away.

When it's time to serveThe final touches, right in front of your guests.

  1. Make a light amber caramel with the sugar and a little water, take it off the heat as soon as it's golden and let it cool for a minute.

    If the caramel hardens, put it back on the heat for two seconds with a spoonful of water.

  2. Pour the custard into large shallow bowls, set an island in the center, drizzle with caramel and scatter with almonds.

    The caramel should fall in thin threads, drizzle it from the spoon held high above the plate.

Our tips to get it right

  • Use a heavy bottomed saucepan for the custard, heat spreads more evenly and the yolks are less likely to overcook along the edges.
  • For firmer whites, take the eggs out of the fridge an hour ahead and separate the whites without any trace of yolk.
  • Pick wide shallow bowls rather than deep ones, the custard spreads into a thin layer and the island actually floats instead of sinking into it.

The variations

  • Swap the vanilla for lemon zest steeped in the hot milk for a brighter, more citrusy custard in summer.
  • For a nut free version, replace the sliced almonds with shaved dark chocolate scattered on just before serving.
  • For kids, shape small individual islands with a tablespoon instead of two large spoons, they cook faster and disappear in a bite or two.

What to serve it with

  • A strong coffee after dessert
  • Simple shortbread cookies on the side
  • A glass of sweet dessert wine

Storage

The custard keeps for 2 days in the fridge in a sealed container, the poached whites for 1 day at most on a covered towel. This dessert doesn't freeze well, the texture of both the whites and the custard would suffer on thawing.

Questions about this recipe

Why did my custard turn lumpy?

The milk or custard got too hot and the yolks started to scramble. Always strain the custard through a fine sieve after cooking, it rescues any small lumps.

Can I use lower fat milk instead of whole milk?

Yes, but the custard will be a bit thinner and less rich on the palate. Whole milk gives the silkiest result.

How do I know the egg whites are whipped enough?

Turn the bowl upside down over your head, the whites shouldn't move. They should also form a stiff peak at the tip of the whisk.

How many islands can I poach at once?

Two or three quenelles at a time work well in a large saucepan, without letting them touch. It's better to poach in batches than to crowd the pan.

Can a floating island be made ahead?

Yes, it's even recommended. The recipe needs 50 min of work in total, split up like this, the day before, 1 step, the same day, 2 steps, before the guests arrive, 1 step, when it's time to serve, 2 steps.

How long does it take to make a floating island?

Allow 1 h 40 in total, including resting and cooking time, of which 50 min is actual work. The recipe is rated "medium".

How many calories are in a floating island?

About 410 kcal per person, for a recipe meant for 6 people. The calories are calculated by Kiloach, your kilo coach, the app that partners with Mon Chou.

How much does a floating island cost?

About €1.30 per person, that's €7.80 for 6 people, based on average supermarket prices.

What allergens does this recipe contain?

This recipe contains lactose, eggs, tree nuts. Remember to ask your guests about their allergies before putting your menu together.

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