If you’ve ever baked or bought a pastel de nata and noticed dark spots on the surface, you’re not alone in asking: “Are these burnt? Are dark spots on pastel de nata safe?”
We’d like tous explain – clearly and confidently.
What are the dark spots on a pastel de nata?
The dark spots you see on top of the custard aren’t a flaw. They’re a sign that the pastel was baked traditionally, at very high temperatures (around 300 °C). This heat allows the pastry to puff and the custard to set properly, while also creating caramelisation on the surface.
These dark marks are natural and expected. They’re not a mistake – they’re part of the pastry’s identity.
The role of the Maillard reaction
So, are dark spots on pastel de nata safe?
Yes, absolutely! These marks are the result of the Maillard reaction, a natural chemical reaction between sugars and proteins under high heat. It’s what gives crusty bread its golden colour and seared meat its savoury aroma.
In pastel de nata, the same process creates richness, colour, and that slightly toasted top that fans of the pastry love.
What about concerns in Japan?
In Japan and some other markets, there’s a cultural sensitivity around food that appears “burnt”, often linked to health concerns such as acrylamide formation. While awareness of food safety is always a good thing, in this case, it can confuse.
That’s why it’s important to explain that these dark spots are not burnt residue, nor do they make the product unsafe. They’re a natural, harmless result of traditional baking.
If you’re introducing pastel de nata to a new audience, clear product education helps avoid misinterpretation and builds confidence.
What a well-baked pastel should look like
A pastel de nata that comes out of the oven pale and spotless might look cleaner, but it’s likely underbaked, missing depth of flavour and the characteristic caramelisation.
On the other hand, a pastel with light golden colour and dark spots on top has likely been:
- Baked at the correct temperature;
- Cooked long enough to create proper texture;
- Finished with the flavour notes that make this pastry so distinctive
So yes, those dark spots are exactly what you want.
Dark spots on pastel de nata are not a defect, nor a health risk. They’re a natural outcome of high-heat baking and a hallmark of authenticity. Understanding and communicating this detail is essential, especially when introducing the product to new consumers.
For professionals: what to tell your customers
If you’re a distributor, coffee shop owner, or retailer introducing pastel de nata to your market, it’s worth training your staff to answer questions about the visual aspect of the custard.
Let customers know:
- The dark spots are natural and safe;
- They indicate quality, not error;
- They’re part of the pastry’s heritage.
A small explanation can go a long way in building trust and appreciation for one of Portugal’s most iconic desserts.
Still have questions about pastel de nata or this topic?
Check our FAQs or send us a message – we’ll be happy to help.