Semifreddo: How to Make Italy's Half-Frozen Dessert Step by Step

Semifreddo is an Italian frozen dessert made from whipped cream, egg yolks and whisked egg whites, frozen in a mould with no churning required — the name literally means "half-frozen" in Italian. The result sits somewhere between ice cream and a mousse: creamy, light, and soft enough to slice.

It's nothing new, either. The earliest mention of semifreddo appears in Antonio Nebbia's Italian cookbook from 1779, and the dessert is often described as Italy's answer to the French parfait. According to culinary sources, whipped-in air can make up as much as half its volume — it's this air that keeps the texture light and stops large ice crystals from forming.

Unlike classic ice cream, semifreddo isn't churned in an ice cream maker. All the air gets whipped in beforehand, before it ever goes into the freezer — an ice cream maker does the same job, just continuously as it freezes. That's why you can make semifreddo at home with nothing more than a hand mixer and a mould.

In short: semifreddo isn't churned during freezing, ice cream is, and parfait is its French forerunner. Here's the difference in one line each:

• Semifreddo — the air is whipped in beforehand, it's frozen in a mould without stirring, and it's sliced.

• Ice cream — the base is churned continuously in an ice cream maker so it stays scoopable.

• Parfait — a French base made from egg yolks and hot sugar syrup (pâte à bombe); semifreddo grew out of it but is usually lighter thanks to the added whisked egg whites.

For a classic vanilla semifreddo (roughly a 1-litre mould, 6–8 servings), you only need four basic ingredients plus flavouring:

• 500 ml whipping cream (at least 30% fat) – gives creaminess and holds the air.

• 4 eggs, yolks and whites separated – the yolks give richness, the whisked whites give lightness.

• 150 g fine caster sugar – sweetens and slows the formation of ice crystals.

• 1 teaspoon vanilla extract and a pinch of salt.

• Flavourings to taste – fruit, chocolate, nuts (see variations below).

A few notes on choosing your ingredients:

• Cream: the higher the fat content, the firmer it whips – straight-from-the-fridge cold whips best. Lactose-free or plant-based (coconut) cream also works, just whip it a bit more gently.

• Eggs: since they're used raw, go for the freshest ones from a trusted source, ideally organic or free-range. Pasteurised eggs are the safer option (more on that in the box below).

• Sugar: fine caster sugar dissolves best. It's not just there for sweetness either — without it, the dessert freezes rock-solid, so don't leave it out entirely.

• Fruit and nuts: seasonal fruit tastes better and is usually cheaper; freshly roasted nuts have a much bolder flavour than ones that have been sitting in storage a while.

The method comes down to six steps: whip the cream, whisk the yolks with sugar, beat the egg whites to stiff peaks, gently fold everything together, freeze for at least 4 hours, and let it soften for a few minutes before serving. In detail:

1. Prep and chill. Line a mould (loaf tin or cake tin) with cling film, leaving an overhang. Pop the cream and the bowl in the fridge for a bit — cold whips better.

2. Whip the cream to soft peaks (it should hold its shape softly, not turn into butter). Set aside in the fridge.

3. Whisk the yolks with sugar and vanilla until pale and fluffy. For the safer version, whisk in hot sugar syrup instead of granulated sugar (see box above).

4. Beat the egg whites with a pinch of salt until stiff. The whisk and bowl must be completely clean and grease-free, or the whites won't hold.

5. Fold everything together gently. Fold the whipped cream into the yolk mixture first, then the whisked whites — using short strokes from the bottom up, so the air stays trapped inside. Finally, fold in your flavouring.

6. Freeze.Pour into the mould, cover with cling film, and freeze for at least 4 hours, ideally overnight.

The most common mistake is folding too roughly — once you knock the air out, the semifreddo will freeze hard and lose its light texture.

The four most popular ways to flavour semifreddo are: fruity (strawberry, raspberry, mango), chocolate, nutty (pistachio, hazelnut), and coffee. Here's how:

• Fruit semifreddo: blend seasonal fruit (strawberries, raspberries, blueberries) with a little sugar into a smooth purée and gently fold it into the base; a splash of lemon juice will brighten the flavour. Mango or passion fruit works well for something more exotic. The purée needs to be genuinely smooth, or it'll leave hard icy bits once frozen.

• Chocolate and nut: fold in melted dark chocolate or a spoonful of cocoa, or chopped roasted nuts, pistachio paste, or hazelnut spread.

• Coffee: a teaspoon of instant coffee dissolved in a little hot water gives it an affogato-style edge.

• Seasonal: in autumn, try pumpkin purée with cinnamon and nutmeg; in winter, gingerbread or candied fruit.

Before you master homemade semifreddo, it's worth trying a few other frozen, no-bake summer desserts that come together without any fancy equipment.

Take the semifreddo out of the freezer 5–10 minutes before serving so it softens enough to slice, then serve it in slices on a plain white plate that will let the colours of your garnishes stand out. It shouldn't be melting, but it shouldn't be rock-hard either.

A few garnishing ideas:

• Fresh fruit – strawberry slices, raspberries, or blueberries scattered around the slice.

• Sauce or drizzle – thin lines of dark chocolate or caramel add both depth and visual appeal.

• Herbs and edible flowers – a mint or lemon balm leaf, violets, or rose petals for an elegant finish.

For more on plating desserts beautifully, check out our article on serving desserts like a Parisian pâtisserie.

Semifreddo keeps in the freezer at -18°C for roughly 1–2 months; after that it starts to lose its delicate texture and flavour. To keep it creamy for as long as possible:

• Packaging: use an airtight container or tightly wrapped cling film – this protects it from ice crystals and freezer odours.

• Temperature: keep it at a steady -18°C or below; avoid opening the freezer too often and don't overfill it, so air can circulate.

• Labelling: write the date you made it on the container so you can keep track of freshness.

• Before serving: let the slices soften for 5–10 minutes at room temperature (or 15–20 minutes in the fridge) so the creaminess comes back.

We cover how to organise your freezer and fridge properly in our article on how to store food correctly.