Step 1

1 In a large bowl, combine the shrimp with the oyster sauce, salt, cayenne pepper and flour

Step 2

2 Set aside to marinate for 5 to 10 minutes

Step 3

3 In a large skillet or wok over medium heat, heat the oil until shimmering

Step 4

4 Add the garlic and cook until golden brown, about 1 minute

Step 5

5 Transfer the shrimp to the skillet or wok, discarding any marinade

Step 6

6 Cook the shrimp, stirring occasionally, until they begin to curl and turn pink

Step 7

7 Add the water and sugar and simmer for 3 minutes

Step 8

8 Add the onion and cook, stirring constantly, for 2 minutes

Step 9

9 Add the chili pepper and black pepper to taste

Step 10

10 Squeeze the lime juice over the top of the shrimp and transfer the mixture to a platter

Step 11

11 Sprinkle with cilantro, if desired, and serve over rice, if using