1. Boil water, steam shrimp for 5 minutes. Then take out, put cooked shrimp in ice water.
2. Cut onion in strips. Cut large red pepper in half then cut in strips. Shred coriander and garlic. Dice bird’s eye chili. Cut half of lemon in slices, then cut in quarters. Squeeze the rest of lemon.
3. Stir fry onion without oil. Mix sweet and sour sauce, rice vinegar, lemon juice, garlic, bird’s eye chili, salt and sugar as sauce.
4. Put onion in large bowl, then put in shrimp, red pepper, coriander. Stir with sauce. Add sliced lemon into shrimp.