Combine cornstarch, brown sugar, salt and black pepper in a bowl.
Add shrimp to bowl and stir to make the shrimp is coated.
Heat the peanut oil in a wok or cast iron skillet over medium high heat.
Add ½ the shrimp in a single layer and cook for about 1 ½ minutes per side.
Remove the shrimp and the add the other half cooking it the same way. If the skillet seems dry, add more oil.
Remove the shrimp and serve topped with chives or cilantro.
Notes
Serve this on top of noodles, rice or a salad.If you are serving this alone as a main dish, you will probably want to double the recipe.Sichuan Peppercorns crushed are excellent in place of the black pepper.