Chef-tested recipe
Crisp-edged, puffed Thai omelettes with juicy minced pork, fish sauce, soy, and white pepper
Kai jeow moo sap is a Thai fried omelette with minced pork. It is beaten aggressively until frothy, seasoned with fish sauce and often light soy, then poured from above into very hot oil. The force and temperature create ragged crisp edges around a puffed, juicy centre, unlike the soft folded style of a Western omelette. Thai people eat kai jeow at any time of day, including breakfast, and almost always with jasmine rice. The omelette itself contains very little carbohydrate. This version keeps the defining hot-oil method and pork-to-egg mixture, but serves it with cucumber, cabbage, Thai herbs, and an unsweetened prik nam pla instead of rice or sweet chilli sauce. Fry six smaller omelettes so the pork cooks safely before the eggs become too dark.
Recipe at a glance
- Servings
- 6 servings
- Prep Time
- 20 mins
- Cook Time
- 35 mins
- Total Time
- 55 mins
- Cuisine
- Thai
- Course
- Breakfast and brunch
- Cooking Method
- Hot-oil wok frying
- Difficulty
- Intermediate
- Best Served With
- Unsweetened prik nam pla Fresh cucumber Shredded cabbage Thai basil Fresh lime
Before you begin
Ingredients & equipment
Gather what you need first, then cook through the method with confidence.
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Equipment
- Deep wokpaid link
- Long-handled wok spatulapaid link
- Wire rackpaid link
- Sheet panpaid link
- Instant-read thermometerpaid link
- Mixing bowlspaid link
- Whiskpaid link
- Chef’s knifepaid link
- Cutting boardpaid link
- Digital kitchen scalepaid link
Ingredients
For six omelettes
- Large eggs: 12 (approximately 600 g without shells)
- Lean minced pork: 750 g
- Thai fish saucepaid link: 30 ml
- Thai light soy saucepaid link: 20 ml
- Ground white pepper: 4 g
- Scallions, finely sliced: 50 g
- Neutral high-smoke-point frying oilpaid link: 700 ml
For unsweetened prik nam pla
- Thai fish saucepaid link: 45 ml
- Fresh lime juice: 45 ml
- Bird’s-eye chillies, thinly sliced: 15 g
- Garlic, thinly sliced: 10 g
- Shallot, very finely sliced: 40 g
For low-carb serving
- Cucumber, sliced: 500 g
- White cabbage, finely shredded: 500 g
- Thai basil leaves: 40 g
- Fresh coriander leaves: 40 g
- Fresh lime wedges: 180 g
Preparation Overview
Bring the eggs and pork close to room temperature for 15 minutes while preparing the vegetables. Divide the pork into six 125 g portions and the egg mixture into six portions so every omelette cooks evenly. Use a deep wok with high sides, keep the handle turned inward, and have a wire rack ready before heating the oil.
Method
Make the prik nam pla. Combine fish sauce, lime juice, chillies, garlic, and shallot and leave it to stand while the omelettes cook.
Prepare the serving plate. Arrange cucumber, shredded cabbage, Thai basil, coriander, and lime on a large platter.
Season the eggs. Beat the eggs vigorously with fish sauce, light soy, and white pepper until foamy.
Portion the batter. Divide the egg mixture between six bowls and stir 125 g minced pork and an equal amount of scallion into each.
Heat the oil. Pour the oil into a deep wok to a depth of approximately 4 cm and heat to 190°C.
Test the oil. Drop in a teaspoon of egg mixture; it should puff immediately and rise to the surface.
Fry the first omelette. Pour one portion from approximately 20 cm above the centre of the oil, standing back from the splatter.
Turn and finish. Fry for 2 to 3 minutes until deeply golden below, turn away from the body, and cook the second side until the pork reaches 71°C.
Drain and repeat. Lift onto a wire rack and repeat with the remaining portions, allowing the oil to return to 190°C each time.
Serve immediately. Place one omelette on each plate with vegetables, herbs, lime, and a small spoonful of prik nam pla.
Beginner Technique Notes
A deep wok controls splatter better than a shallow frying pan.
The oil must be very hot before pouring; cool oil produces a flat, greasy omelette.
Do not cook one giant batch. Smaller omelettes allow the minced pork to reach a safe temperature.
Turn the omelette away from the body with long utensils and keep water far from the oil.
Drain on a wire rack rather than paper so the crisp edges remain elevated and airy.
Tips and Variations
Plain kai jeow can be made by omitting pork and frying only the seasoned egg.
A few finely chopped Thai chillies may be beaten into the egg for extra heat.
Do not add cornflour; vigorous beating and hot oil create the traditional puff without starch.
Sweet chilli sauce is common at casual tables but the unsweetened fish-sauce dip keeps this plate low carb.
Filter and cool the frying oil after use, then store it according to local food-safety guidance; discard it if dark or bitter.
Serving Ideas
- Serve each omelette as soon as it drains, with cucumber and cabbage tucked against the crisp edges. Use prik nam pla sparingly because the omelette is already seasoned. Rice is customary in Thailand, but the cabbage, cucumber, and herbs provide crunch and freshness without changing the kai jeow.
Storage
Kai jeow is best straight from the oil. Refrigerate cooled leftovers within 2 hours for up to 2 days and reheat on a wire rack at 190°C until 74°C. The edges will be less crisp. Do not freeze. Refrigerate prik nam pla for up to 2 days and keep fresh vegetables separate.
Nutritional Value
Allergen Notes
Contains egg, fish, and soy. Light soy sauce may contain wheat; use a clearly labelled gluten-free product when necessary. Hot oil can retain traces from previously fried foods, so use fresh oil and dedicated equipment for allergen control.
Frequently Asked Questions
Why is Thai kai jeow fried in so much oil?
The deep hot oil makes the egg puff rapidly and creates the characteristic crisp, ragged edge.
Can I use a shallow pan?
A high-sided wok is safer for splatter and gives the omelette more room to puff.
How do I know the pork is cooked?
Check the thickest part with an instant-read thermometer and reach at least 71°C.
Can I leave out the pork?
Yes. Seasoned egg fried by the same method is classic plain kai jeow.
Why did my omelette absorb too much oil?
The oil was probably below temperature or too much batter was added at once.
