Flan Napolitano (Mexican Baked Custard with Caramel)
Why this recipe works
- Smooth custard texture: Gentle baking in a water bath helps the egg custard set evenly without becoming rubbery.
- Caramel balance: The deep amber caramel adds a bittersweet edge that balances the richness of the condensed milk.
- Ideal for making ahead: A long chill firms the custard, improves slicing, and lets the caramel loosen into a sauce.
Get the most out of this recipe
Timing notes
- Chill thoroughly: Allow at least 4 hours in the fridge; overnight chilling gives the cleanest slices and most stable texture.
- Most time is inactive: The hands-on work is mainly making caramel and whisking the custard; the rest is baking, cooling, and chilling.
- Unmould close to serving: Turn the flan out shortly before serving so the caramel runs over the top rather than sitting too long on the plate.
Texture tips
- Keep the custard smooth: Whisk gently and avoid incorporating too much air; skimming off foam before baking helps prevent bubbles on the surface.
- Use gentle heat: The water bath protects the custard from direct oven heat, helping prevent curdling or a grainy finish.
- Slice only when fully cold: The flan continues to firm as it chills, so cutting it too soon can make the texture loose or fragile.
Common mistakes
- Taking the caramel too far: Caramel can turn from deep amber to bitter quickly; pour it into the mould as soon as it reaches a rich colour.
- Baking until completely firm: The centre should still have a gentle wobble when removed from the oven. A fully rigid centre usually means the custard has overbaked.
- Unmoulding too early: A warm or partially chilled flan is more likely to break, so wait until it is fully cold before loosening and inverting.
Authenticity notes
- Mexican-style flan: In Mexico, flan napolitano commonly refers to a rich baked caramel custard made with eggs and sweetened milk.
- Richness varies by version: Some versions include cream cheese or evaporated milk; this version keeps the custard smooth and rich with whole milk and condensed milk.
Equipment you'll need
Ingredients
Instructions
- Heat the oven to 160°C (320°F). Put a kettle of water on to boil, and set a baking dish large enough to hold a 20 to 23 cm round cake tin or similar mould nearby.
- Tip the sugar into a saucepan and set over medium heat. Cook, swirling the pan occasionally, until the sugar melts and turns a deep amber caramel; watch closely so it does not burn.
- Immediately pour the caramel into the mould and carefully tilt to coat the base evenly. Set aside to cool and harden while you make the custard.
- In a mixing bowl, whisk together the whole milk, sweetened condensed milk, eggs, vanilla extract and fine sea salt just until smooth. Avoid whisking in lots of air, which can cause bubbles in the finished flan.
- Pour the custard mixture into the caramel-lined mould. Place the mould in the baking dish, then carefully pour in enough hot water to come about halfway up the sides of the mould.
- Bake for 55 to 70 minutes, until the edges are set and the centre still has a gentle wobble. If the top is browning too quickly, reduce the oven to 150°C (300°F) for the remaining time.
- Remove the mould from the water bath and leave to cool to room temperature. Chill until fully cold and set, at least 4 hours (overnight is ideal).
- Run a thin knife around the edge of the flan to loosen it. Invert onto a serving plate with a rim, lift off the mould, and let the caramel flow over the top before slicing.
Recipe notes
Tips
- For the smoothest texture, whisk the custard gently and let it stand for 5 minutes before pouring so any foam rises to the top; skim it off if needed.
- The flan is ready when the centre wobbles like set jelly; if it looks liquid, bake a little longer and check again.
- Food safety: this dessert contains eggs; serve fully set and keep chilled, especially for pregnant people, young children, older adults, and anyone immunocompromised.
Substitutions
- Replace vanilla extract with vanilla bean paste for a more pronounced vanilla flavour.
- Replace whole milk with milk and cream for a richer, more traditional-style custard.
Storage
- Refrigerate up to 3 days
- Keep covered in the fridge. For best texture, do not freeze; the custard can weep and turn grainy after thawing.
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Recipe overview
- Servings: 8 servings
- Total time: 5h 30min (25min active)
- Difficulty: Medium
- Cuisine: Mexican
-
Allergens:
Eggs Milk
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