Silky, wobbly, and bathed in a golden caramel river – flan is the retro dessert that's back and better than ever. Here's how to make the perfect flan at home.
Flan – also known as crème caramel or caramel custard – is a classic dessert that spans cultures. From Spain and Latin America to France and the Philippines, every country has its own version of this elegant, wobbly delight. It's made with just eggs, milk, sugar, and vanilla, yet the result is pure magic: a silky custard that's firm enough to hold its shape, but soft enough to melt on your tongue.
In 2025, flan searches jumped by 53%, proving that retro desserts are having a major moment. This recipe is foolproof – no water bath, no complicated techniques. Just careful caramel-making and a gentle bake. The reward? A show-stopping dessert that looks like it came from a fine dining restaurant.
🍮 Ingredients
For the caramel
- 150 g caster sugar
- 2 tbsp water
- 1 tbsp lemon juice (to prevent crystallisation)
For the custard
- 4 large eggs (room temperature)
- 3 large egg yolks (room temperature)
- 100 g caster sugar
- 500 ml full‑fat milk (or a mix of milk and double cream for extra richness)
- 1 tsp vanilla extract or vanilla bean paste
- Pinch of salt
👩🍳 Step‑by‑Step Instructions
- Preheat: Preheat your oven to 150°C (300°F). Place a 23‑cm (9‑inch) round cake tin or flan mould in a deep roasting tray – you'll need this for the water bath.
- Make the caramel: In a heavy-bottomed saucepan, combine the sugar, water, and lemon juice. Cook over medium heat without stirring (swirl the pan gently if needed) until the sugar dissolves and turns a deep amber colour – about 8–10 minutes. Watch carefully – it can burn quickly.
- Pour the caramel: Immediately pour the hot caramel into your cake tin, tilting to coat the bottom evenly. Set aside to harden – it will crackle and set.
- Make the custard: In a large bowl, whisk the eggs, egg yolks, and sugar until pale and frothy. Whisk in the milk, vanilla, and salt until smooth and well combined. Strain the mixture through a fine sieve into a jug – this removes any bits of egg white for a silky texture.
- Pour and bake: Gently pour the custard over the set caramel. Fill the roasting tray with enough hot water to come halfway up the sides of the cake tin. Bake for 45–55 minutes, until the edges are set but the centre still has a gentle wobble.
- Cool: Carefully remove the tin from the water bath and let cool completely on a wire rack. Refrigerate for at least 4 hours, preferably overnight, until fully chilled and set.
- Unmould and serve: Run a thin knife around the edge of the tin. Place a serving plate on top, then invert quickly and confidently. The caramel will flow over the custard. Serve chilled.
💡 Pro tip: For the most stable caramel, use a light-coloured saucepan so you can see the colour develop clearly. And remember – amber, not dark brown. Burnt caramel is bitter, not sweet!
❓ Tips & Variations
- Flavour twists: Infuse the milk with a cinnamon stick, orange zest, or coffee beans before using – strain before adding to the eggs.
- Spanish style: Spanish flan often uses condensed milk for a denser, sweeter texture – replace 250 ml of milk with sweetened condensed milk.
- Individual servings: Use ramekins instead of one large tin – bake for 25–30 minutes instead of 45–55.
- Storage: Keep refrigerated for up to 3 days – but it's best within 24 hours.
- Pro unmoulding tip: Dip the bottom of the tin in hot water for 10 seconds before flipping – the caramel will release perfectly.
Silky, wobbly, and bathed in golden caramel – the retro dessert that's timeless.

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