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Overview

Pempek

Pempek Palembang, Empek-empek, Pempek Lenjer

This pempek recipe turns fresh mackerel and tapioca starch into springy, chewy fish cakes that are boiled, then fried until golden and crisp at the edges. They are served cut into pieces with diced cucumber and a dark, sweet-sour cuko sauce made from palm sugar, tamarind, garlic and chilli. One serving is about 425 g.

Pempek comes from Palembang, the river city of South Sumatra, where fish from the Musi River and sago from the surrounding palms were everyday foods. Local lore says the name comes from 'apek', the way people addressed an elderly Chinese vendor who sold the fish cakes from a cart, and the dish grew from a street snack into one of Indonesia's most loved foods. The same dough is shaped into many forms — long lenjer rolls, round adaan balls, and kapal selam stuffed with egg — but the dark, sweet-sour cuko sauce is always the same.

Pairs well with: Cuko sauce, diced cucumber & yellow noodles

Provenance

Indonesia flag Indonesia

Palembang Heritage

East & South Asia

Time Dedication

1h 15m

40m prep • 35m cook

Batch Yield

4 Servings

737 kcal per serving

1 serving ≈ 425 g

Technical Skill

Intermediate

Medium (Boiled & Fried)

Meal Timing & Digestive Fit

Breakfast

Not Advised

Lunch

Prime Metabolic Fit

Dinner

Ideal Hearty Main

Snack & Tea

Inappropriate

Occasions: Family lunches, street-food cravings, festive gatherings, afternoon snacks Cost: Low — about $3–4 per serving at home
Tags: Fish Savory Fried
A golden fried pempek kapal selam cut open in dark cuko sauce with diced cucumber on a white plate

Palembang Heritage

Photo: Cendy00, CC BY 4.0, via Wikimedia Commons

The Heritage Formulary

Measured Ingredients

Estimated cost: Low — about $3–4 per serving at home (USD)

Made the Palembang way: finely minced mackerel folded with tapioca starch, boiled until springy, fried golden, and served with cucumber and dark cuko sauce.

Execution Methodology & Culinary Technique

Step-by-Step Cooking Guide

Active 1h 15m
P

Prep Stage: Mince, Mix & Shape

40 Mins • Mixing & Shaping

Mince the mackerel very finely, then mix it with the dissolved salt water and garlic until the paste turns sticky and pale. Fold in the tapioca starch a little at a time — stir, do not knead hard — until a soft, slightly tacky dough forms. With oiled hands, roll the dough into 8 long lenjer rolls about 12 cm long, and boil them in salted water until they float and feel firm.

Maestro Tip: Stop adding starch as soon as the dough holds its shape; too much starch makes rubbery pempek.

  1. 1

    Make the Cuko Sauce

    15 Mins Medium heat, ~175°C (350°F)

    Put the palm sugar, 300 ml water, garlic, soaked chillies, tamarind and salt in a small pan. Simmer for 10 minutes, stirring, until the sugar dissolves and the sauce turns dark and glossy. Stir in the vinegar, simmer 2 minutes more, then strain and set aside. The sauce should taste sweet first, then sour, then hot.

    Taste and adjust before serving — more vinegar for sour, a little more sugar for sweet.

    Done when: Dark, glossy sauce that coats a spoon thinly

  2. 2

    Mix the Fish Dough

    15 Mins No heat

    Dissolve the 8 g salt in the 150 ml cold water. Mix the minced mackerel with the garlic, then add the salted water a spoonful at a time, stirring in one direction until the paste is sticky and pale. Fold in the tapioca starch gradually until a soft dough forms that holds its shape without cracking.

    Keep your hands and the bowl lightly oiled — the dough is tacky by design.

    Done when: Soft, smooth dough that holds a roll without cracking

  3. 3

    Shape & Boil the Lenjer

    15 Mins Boiling water, 100°C (212°F)

    With oiled hands, roll the dough into 8 long rolls, about 12 cm long and 3 cm thick. Drop them into a large pot of boiling salted water and cook for 8–10 minutes. They sink first, then rise to the surface when done. Lift them out with a slotted spoon and let them drain and cool for 5 minutes.

    Do not crowd the pot — the rolls need room to float freely.

    Done when: Rolls float, feel firm and spring back when pressed

  4. 4

    Fry Until Golden

    10 Mins Medium-high heat, oil at 175°C (350°F)

    Heat the oil to 175°C (350°F). Fry the boiled rolls in batches for 3–4 minutes, turning once, until deep golden and crisp at the edges. The inside must reach 63°C (145°F) for fish. Drain on paper towel for 1 minute.

    Fry in small batches so the oil stays hot and the crust turns crisp, not soggy.

    Done when: Deep golden crust, crisp edges, hot and springy inside

  5. 5

    Cut & Serve with Cuko

    5 Mins No heat

    Cut each fried roll into bite-size pieces, about 2 cm thick. Pile into bowls, scatter the diced cucumber over the top, and pour over plenty of warm cuko sauce. Serve at once, while the crust is still crisp.

    Pour the sauce at the table so everyone can choose how much heat and sourness they want.

    Done when: Crisp golden pieces in dark glossy sauce with bright green cucumber

Finishing Touches & Plating

Serve the pempek hot with the cucumber and cuko sauce, and put extra sauce on the table — in Palembang, the sauce is poured generously, never rationed.

Nutritional Physiology & Benefits

Nutrition

Energy

737

kcal / serving

Protein

25g

Complete AA

Carbs

105g

Complex

Fats

24g

Healthy

Per serving (4 servings · 1 serving ≈ 425 g)
Energy737 kcal
Protein25 g
Carbohydrates105 g
Fat24 g
Fibre2.0 g
Sugar33.2 g
Sodium1406 mg
Per 100g
Energy173 kcal
Protein5.8 g
Carbohydrates24.8 g
Fat5.6 g
Fibre0.5 g
Sugar7.8 g
Sodium331 mg

Nutrition values are estimated — calculated from USDA FoodData Central values for the listed ingredients.

Vitamins & minerals: Mackerel supplies vitamin D, vitamin B12, selenium and omega-3 fats, and the cucumber adds vitamin K. All nutrition values are estimated.

Lean Fish Protein

Mackerel gives about 25 g of protein per serving with omega-3 fats, which support normal heart and brain function as part of a balanced diet.

Light, Fresh Finish

Cucumber and a vinegar-based sauce keep the plate bright and fresh, so the fried cakes feel lighter than they look.

Vitamin D & B12

Oily fish such as mackerel is one of the few foods that naturally supply vitamin D and vitamin B12.

Food Pairings

What to Eat With

To optimize nutrient absorption and elevate the sensory depth, pair with these authentic accompaniments:

Sides

Yellow Noodles (Mie Kuning)

Soft yellow noodles soak up the cuko sauce and turn the snack into a fuller lunch, the way many Palembang stalls serve it.

Vegetables

Diced Cucumber

Cool, watery cucumber cuts the richness of the fried cakes and the heat of the chilli sauce.

Sauces

Extra Cuko Sauce

The sweet-sour-spicy sauce is the soul of the dish — extra sauce on the table lets everyone season their own bowl.

Drinks

Iced Tea (Es Teh)

Unsweetened iced tea cools the chilli heat and cleanses the palate between bites.

Full Menus

Full Palembang Lunch

Pempek with cucumber and cuko, yellow noodles, and a plate of sliced pineapple to finish — a classic Palembang street lunch.

Complete menu

Serve pempek with diced cucumber, a generous pour of warm cuko sauce and yellow noodles, with iced tea to drink.

Digestive Guardrails

What NOT to Combine

To prevent digestive distress, sluggishness, or palate clash, avoid pairing the dish with these elements:

Very Sweet Drinks

The cuko sauce is already sweet from palm sugar, so a very sweet drink can push the meal's sugar load too high. Choose unsweetened tea or water instead. This is general information, not medical advice.

Storing in the Sauce

Leftover pempek left sitting in cuko sauce turns soggy and the sauce can spoil faster at room temperature. Store the cakes and sauce separately and refrigerate promptly. This is general information, not medical advice.

General information only, not medical advice — consult a doctor for personal dietary decisions.

Who Should Eat It

Who Should Eat

  • General adultsA satisfying lunch — enjoy 2 rolls per serving and balance the plate with the cucumber.
  • ChildrenMild and fun to eat; serve the sauce on the side and keep the chilli mild for younger children.
  • ElderlySoft and easy to chew once cut small; serve with a mild sauce and plenty of cucumber.
  • Pregnant womenEat only freshly cooked, piping-hot pempek; mackerel is a fish to enjoy in moderation during pregnancy — ask your clinician about portion guidance.
  • Breastfeeding womenA filling, protein-rich lunch; the chilli level can be adjusted to taste.
  • AthletesGood protein and starchy energy after training; add noodles for extra carbohydrate.
  • Weight gainEnergy-dense and easy to eat in larger portions — add noodles and extra sauce.
  • Weight lossKeep to one serving, load up on cucumber, and go lighter on the sweet sauce.

Health Conditions — Adjust or Avoid

Conditions

  • DiabetesThe cuko sauce is high in sugar from palm sugar, so keep the sauce portion small and favour the cucumber. Ask your clinician about suitable portions.
  • High blood pressureThis dish is high in sodium from the salt and sauce, so use less salt and a smaller portion of cuko. Ask your clinician about suitable portions.
  • Kidney diseaseHigh in protein, sodium and potassium from fish and sauce — portion control matters. Ask your clinician before eating this dish.
  • GoutMackerel is rich in purines, so people with gout should eat this dish only occasionally and in small portions. Ask your clinician for guidance.
  • Stomach issuesThe chilli and vinegar in cuko can irritate a sensitive stomach — use a mild sauce and eat the cakes warm, not piping hot. Ask your clinician if unsure.
  • Cardiovascular diseaseMackerel supplies omega-3 fats, but the dish is fried and salty, so keep portions moderate and load up on cucumber. Ask your clinician for guidance.
  • Fatty liverFried food and a sugary sauce are best kept occasional — choose a smaller serving with extra cucumber. Ask your clinician for guidance.
  • Food allergiesContains fish (mackerel) and may contain traces of shellfish from shared frying oil. The dough contains no wheat, egg or milk. Check labels and ask about allergens before eating.
  • Special therapeutic dietsNot suitable for low-sodium or low-sugar therapeutic diets without changes to the salt and sauce. Ask your clinician or dietitian before adapting it.

If you have a medical condition, consult your doctor before changing your diet.

Storage & Use

Storage & Use

How to store
Cool completely, then store the fried cakes and the cuko sauce in separate airtight containers.
In the fridge
Cakes: up to 3 days refrigerated. Cuko sauce: up to 2 weeks refrigerated.
In the freezer
Boiled (unfried) pempek freezes well for up to 2 months; thaw in the fridge, then fry fresh.
How to reheat
Reheat fried pempek in a hot oven at 200°C (400°F) for 5–6 minutes until crisp and steaming hot, to 74°C (165°F). Warm the sauce gently in a pan.
Freezing recommended
Freeze the boiled rolls before frying for the best texture; fried pempek goes soft after freezing.
Signs it has spoiled
Sour smell, slimy surface, or mould on the cakes or sauce — discard if any appear.

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