Snacks and Sides

Authentic Singaporean Prawn Crackers (Keropok Udang) Recipe

These airy, addictive Keropok Udang are a staple of Singaporean festive celebrations, offering a deep burst of umami and a satisfying crunch. Unlike mass-produced versions, this home-style recipe uses real minced prawns for an authentic seafood flavor that is incomparable when dipped into a spicy sambal belacan.

Prawn Crackers
Prep
30 min
Cook
45 min
Serves
10
Level
Medium
Per serving
180 kcal

Method

  1. Place the cleaned prawns, garlic, salt, white pepper, and sugar into a food processor. Pulse until the mixture forms a very smooth, sticky paste.

  2. Transfer the prawn paste to a large mixing bowl. Gradually add the tapioca flour, kneading it into the paste until a firm, non-sticky dough forms. If the mixture is too dry, add ice-cold water one teaspoon at a time.

  3. Divide the dough and roll them into long cylinders or logs about 5cm in diameter.

  4. Prepare a steamer over high heat. Steam the dough logs for 40 to 50 minutes until they turn slightly translucent and firm.

  5. Remove the logs from the steamer and let them cool completely. Wrap in cling film and refrigerate overnight; this makes them much easier to slice thinly.

  6. Using a very sharp knife, slice the chilled logs into rounds as thin as possible (about 1-2mm).

  7. Arrange the slices on large trays in a single layer. Sun-dry them for 1 to 2 days until they are completely hard and brittle. Alternatively, use a food dehydrator at 60°C for 4-6 hours.

  8. Heat vegetable oil in a deep wok until very hot (about 190°C). Drop a few dried slices into the oil. They should expand and puff up instantly. Remove within 5 seconds to prevent burning and drain on paper towels.

Notes

The secret to a light cracker is slicing the dough as thinly as possible after it has chilled.

Ensure the crackers are 'bone dry' before frying; any residual moisture will result in hard, chewy spots that don't puff.

If the oil isn't hot enough, the keropok will soak up oil and won't expand fully. Test with one piece first.

Store the dried, unfried slices in an airtight container; they can last for months before you need to fry them.

Questions

Can I use frozen prawns for Keropok Udang?
Yes, but ensure they are completely thawed and patted dry. Fresh prawns provide a superior 'sweeter' seafood flavor and better binding.
How do I serve these traditionally?
In Singapore, Keropok Udang is often served as a snack during Chinese New Year or Hari Raya, usually accompanied by a side of spicy sambal belacan for dipping.
Why did my crackers turn out hard instead of crispy?
This usually happens if the slices were too thick or if they were not dried thoroughly before frying. The oil temperature must also be very high.
Can I air fry the dried keropok?
While you can air fry them by brushing with a little oil, they will not puff up as evenly or as lightly as they do when deep-fried in the traditional manner.

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