Jamie Oliver’s lemon mousse is a delightfully light and zesty dessert that balances creamy texture with refreshing citrus tang. This version skips gelatin entirely, relying on natural thickening from whipped cream and egg whites for a soft, airy finish that’s perfect for those avoiding gelatin or seeking a simple, homemade treat.
Ingredients
- 3 large free-range eggs, separated
- 100g caster sugar (plus extra for caramelising, optional)
- 2 unwaxed lemons, zest and juice
- 300ml double cream
- 1 tsp vanilla extract (optional)
- Pinch of salt
Instructions
- Start by washing the lemons thoroughly to remove any wax or residue. Zest both lemons carefully, avoiding the white pith, then juice them to yield about 60ml of fresh lemon juice.
- In a clean, dry bowl, whisk the egg whites with a pinch of salt until soft peaks form. Gradually add 50g of the caster sugar and continue whisking until stiff, glossy peaks develop. Set aside in the fridge.
- In a separate bowl, whisk the egg yolks with the remaining 50g caster sugar until pale, thick, and creamy. This should take about 3 to 5 minutes with an electric whisk or a vigorous hand whisk.
- Add the lemon zest, lemon juice, and vanilla extract (if using) to the yolk mixture and gently fold together until fully combined.
- Whip the double cream to soft peaks—be careful not to overwhip, as you want it light and fluffy but not turning into butter.
- Carefully fold the whipped cream into the lemon and yolk mixture using a spatula, mixing gently to keep the airiness.
- Finally, fold in the whisked egg whites in two batches, using a light hand to preserve the mousse’s fluffy texture.
- Divide the mousse into serving glasses or bowls and chill in the fridge for at least 3 hours to set. The mousse will firm slightly but remain soft and luscious.
- Before serving, you can optionally sprinkle a little caster sugar on top and caramelise it with a kitchen blowtorch for a crisp, brûléed finish.
Tips
- Egg safety: Since this recipe uses raw eggs, opt for the freshest free-range eggs possible and consider pasteurised eggs if available, especially for vulnerable groups.
- Substitutions: For a dairy-free version, replace double cream with coconut cream whipped to soft peaks, though the texture will slightly differ.
- Storage: Keep covered in the fridge and consume within 2 days for best freshness and safety.
- Common mistakes: Avoid overwhipping cream or egg whites to prevent grainy texture; also, folding too aggressively will deflate the mousse, so fold gently.
Serving Suggestions
This lemon mousse is wonderfully versatile. Serve it chilled on its own for a light finish to a meal or alongside fresh berries such as raspberries or blueberries for added sweetness and color contrast. A crisp biscuit or shortbread on the side adds a nice textural contrast. For an elegant touch, garnish with thin lemon slices, mint leaves, or edible flowers.
Variations
You can easily adapt this mousse to other citrus fruits such as lime or orange for a different flavor profile. Incorporating finely chopped fresh herbs like basil or thyme can add a subtle aromatic twist. For a richer dessert, fold in a tablespoon of mascarpone cheese with the cream. Alternatively, swirl in a raspberry or passionfruit coulis before chilling for a fruity marbled effect.
Storage and Reheating
Lemon mousse without gelatin should be stored in an airtight container or covered well in the refrigerator to prevent it absorbing other odors. It is best eaten within 48 hours as the texture and freshness decline over time. This mousse is served cold and should not be reheated as warming will cause it to lose its airy texture and may curdle the eggs. If you want to prepare it in advance, make it on the day before serving and keep chilled until ready.
Frequently Asked Questions
Can I make this lemon mousse without raw eggs?
Yes, but it requires adjustments. You could use whipped cream combined with lemon curd or a cooked custard base to avoid raw eggs. However, the texture will be denser and less airy. Alternatively, aquafaba (chickpea water) can be whipped as an egg white substitute, but it changes the flavor and texture somewhat.
Why doesn’t my mousse set without gelatin?
This recipe relies on the natural thickening power of whipped cream and egg whites to create volume and structure rather than a firm set like gelatin-based mousses. It will be soft and creamy rather than sliceable. For a firmer mousse, chilling well and properly whipping the components is key.
Can I use bottled lemon juice instead of fresh?
Fresh lemon juice is preferable for its bright, natural flavor and aroma. Bottled juice tends to be more acidic and less vibrant, which can affect the taste and sometimes the texture. If you must, use a high-quality, 100% lemon juice and adjust sugar slightly to balance acidity.
How do I avoid a grainy texture in my mousse?
Graininess usually comes from overwhipping the cream or egg yolks or from sugar granules not dissolving properly. Always whisk yolks and sugar until fully combined and creamy, and whip cream just to soft peaks. Use caster sugar for quicker dissolving.
Is it safe to eat mousse made with raw eggs?
Using raw eggs carries a small risk of salmonella. To reduce risk, use very fresh, preferably pasteurised eggs, and keep the mousse refrigerated. Those who are pregnant, elderly, very young, or immunocompromised should avoid raw eggs or use alternatives.
Can I prepare this mousse in advance?
Yes, you can prepare it up to a day ahead and keep it chilled. Beyond 48 hours, the texture may start to degrade and it’s best to consume it fresh. Avoid freezing as this will ruin the mousse’s delicate texture.
With its bright lemon flavor, airy texture, and no gelatin needed, Jamie Oliver’s lemon mousse is a fantastic dessert to brighten up any meal while keeping things simple and natural.
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