Name: Mee Krob (หมี่กรอบ) — Crispy Noodles in Sweet-Sour Sauce
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Yield: 2–3 servings
Cuisine: Thai
Ingredients: 200 g prawns (กุ้งสด); 1 tbsp coriander root, garlic and pepper, pounded (สามเกลอ); 70 g dried rice vermicelli (เส้นหมี่แห้ง); 5 shallots, sliced (หอมแดงซอย); 3 pickled garlic cloves, sliced (กระเทียมดองซอย); 4 tbsp coconut sugar (น้ำตาลมะพร้าว); 1 tbsp chilli sauce (ซอสพริก); 4 tbsp ketchup (ซอสมะเขือเทศ); 2 tbsp tamarind water (น้ำมะขามเปียก); 1 tbsp vinegar (น้ำส้มสายชู); 1 tbsp pickled garlic brine (น้ำกระเทียมดอง); 1 tsp fish sauce (น้ำปลา); 3 eggs (ไข่ไก่); garlic chives and bean sprouts to serve

The Party Dish Built In Three Fryers

หมี่กรอบ is a dish of texture engineering: dried rice vermicelli thrown into hot oil where it puffs in a second, eggs strained through a sieve into oil to make ฝอยไข่, egg floss, and everything bound by a sauce that must stay thick enough to coat without softening the crunch. Wongnai's recipe is the cleanest map of the sequence — three separate fryers' worth of components, then the wok sauce, then the toss.

The sauce is where the ancient and modern versions part company. Krua.co's food history is blunt: the real หมี่กรอบโบราณ is not "the fluffy pink sweet one popular now." The old sauce carries ส้มซ่า, bitter orange peel — a fresh, aromatic bitterness — plus fried shallots, fried garlic and pickled garlic to cut the richness, and matchstick tofu sun-dried before frying. The modern shop version runs on ketchup and chilli sauce, brighter and sweeter.

The Cookpad ancient recipe shows why the old sauce was a craft item: 600 grams of sugar and tamarind reduced over 45 minutes until "lava-thick", then rested overnight before the noodles ever meet it. Krua.co adds the practical note: the sauce (น้ำเชื้อ) can be made in bulk and keeps a month in the fridge.

The Recipe (serves 2–3 — the Wongnai version)

Thai	English	Amount
กุ้งสด	Prawns, chopped	200 g
สามเกลอ	Coriander root, garlic, pepper — pounded	1 tbsp
เส้นหมี่แห้ง	Dried rice vermicelli	70 g
หอมแดงซอย	Shallots, sliced	5
กระเทียมดองซอย	Pickled garlic, sliced	3 cloves
น้ำตาลมะพร้าว	Coconut sugar	4 tbsp
ซอสพริก / ซอสมะเขือเทศ	Chilli sauce / ketchup	1 tbsp / 4 tbsp
น้ำมะขามเปียก	Tamarind water	2 tbsp
น้ำส้มสายชู / น้ำกระเทียมดอง	Vinegar / pickled garlic brine	1 tbsp each
น้ำปลา	Fish sauce	1 tsp
ไข่ไก่	Eggs, for the floss	3
ใบกุยช่าย / ถั่วงอก	Garlic chives / bean sprouts	to serve

The ancient version (Krua.co): bitter-orange peel in the sauce, sun-dried matchstick tofu, duck-and-chicken egg floss, fried shallots and garlic. The Cookpad big batch: 600 g sugar reduced 45 minutes to lava, rested overnight.

The Method

Prawns first. The pounded coriander-root mix fried until fragrant, prawns through until just cooked, reserved.
The two fryers. Beaten eggs through a sieve into hot oil — golden floss. Then the vermicelli nests, puffed and lightly yellow, drained well.
The sauce. Shallots and pickled garlic fried, then tamarind water, vinegar, brine, fish sauce, coconut sugar, chilli sauce and ketchup — cooked until slightly thick.
The toss. Noodles through the sauce in stages, prawns folded in, egg floss on top — chilli and coriander, with garlic chives and bean sprouts alongside. Eat it fast; the crunch is the dish.

Where Thai Sources Disagree

The sauce's soul. Krua.co's ancient version is built on bitter-orange (ส้มซ่า) peel, fried shallots, fried garlic and pickled garlic; Wongnai and Cookpad build on tamarind, ketchup and chilli sauce. The sources themselves say it: the fluffy pink sweet one is the modern shop version, not the original.

The reduction. Wongnai cooks the sauce "until slightly thick"; Cookpad's ancient version simmers 45 minutes to lava and rests overnight. The long reduction is the old way; the quick one is the modern kitchen's.

What's in the topping. Wongnai: prawns and egg floss. Krua.co: prawns, pork, sun-dried matchstick tofu and both duck and chicken egg floss. Cookpad adds crisp-fried kaffir lime leaves. The ancient party plate is the fullest cast.

The noodles' colour. Krua.co warns the authentic one is not the pink fluffy kind — the puffed noodles should be pale yellow, fried light. The pink versions are dyed and sugar-heavier.

Serve it with. Wongnai and Krua.co both plate it with garlic chives and bean sprouts — the fresh crunch against the sweet crunch. Cookpad treats it as a standalone snack.

How Western Versions Get It Wrong

Calling it crispy-noodle salad. It's a coated, sauced dish with a sugar base — not a dressed salad.
Skipping the egg floss. The golden sieve-egg threads are the dish's crown in every Thai source.
Drowning the noodles. The sauce goes on in stages, just enough to coat. Too much and the puff collapses into chew.
Sweet only. The sauce is sweet-sour — tamarind and vinegar are half of it. A pure sugar glaze is the modern pink version, not the ancient dish.
Serving it later. The crunch dies in minutes. The dish is built to be eaten as it lands.

UK Ingredient Notes

Rice vermicelli: the thin dried nests from Thai/Chinese grocers — one 70 g nest is the Wongnai serving.
Pickled garlic: jars at Chinese grocers; the brine is an ingredient too.
Coconut sugar: Thai grocers; light muscovado substitutes.
Garlic chives (กุยช่าย): Chinese grocers; chives are the stand-in.
The frying is fast and hot — a wok of clean oil at 180°C for the noodles.

Sources

This recipe is translated from the following Thai-language sources. Where they disagree, we've said so.

1. Wongnai — "วิธีทำ 'หมี่กรอบทรงเครื่อง' เมนูอาหารไทยร่วมสมัย ถึงเครื่องครบรส!" (the recipe used here) — wongnai.com

2. Krua.co — "'หมี่กรอบโบราณ' ต้องมีกลิ่นรสสดชื่นจากส้มซ่า" (the ancient-version food story: bitter orange, tofu, bulk sauce) — krua.co

3. Cookpad (Belli Bell) — "สูตร หมี่กรอบโบราณ" (the 45-minute lava sauce, rested overnight) — cookpad.com

Johnny Tiger

Johnny researches and translates Thai recipes from Thai-language sources — chefs, restaurants and home cooks in Thailand — and publishes them with their sources cited. No westernised shortcuts, no invented steps.