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Sweet potato sonhos

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For the custard filling

For the cinnamon sugar

For the dough

Step 1
For the custard, peel the sweet potato after roasting and puree the flesh.

Step 2
Mix 400g of it with the milk, vanilla pod, cinnamon stick, sugar and orange zest and bring to a simmer.

Step 3
Whisk the yolks and the flour, pour in a little of the warm potato milk and add gradually until all the milk is mixed in, take it back to the heat, and cook until it has thickened.

Step 4
Let it stand to cool.

Step 5
Combine the cinnamon and caster sugar and set aside.

Step 6
For the dough, bring milk, water and butter to a simmer.

Step 7
Add the flour and mix through.

Step 8
As the dough dries out, keep folding it in on itself (at least five minutes) so it loses the raw-flour taste.

Step 9
Transfer it to a bowl and break it up so it starts cooling down before you add the eggs.

Step 10
Whisk the eggs in a bowl then add a small amount to the dough and mix until the egg is totally incorporated before adding more.

Step 11
The dough will become shiny and just a bit sticky to the touch.

Step 12
Mix the leftover potato puree through and let it rest for ¾ hour.

Step 13
Fill a big pot two-thirds with oil and heat to 170C.

Step 14
Make a quenelle and drop it in the frying pot.

Step 15
The sonhos will start growing – let them fry until golden brown.

Step 16
Drizzle with a little extra virgin olive oil and sprinkle with Maldon salt.