Devein the shrimp and marinate with salt and ginger. Set aside for 15 minutes.
During this process, let make the real deal "salt and pepper". Toast Sichuan peppercorn with salt over slow fire until aromatic (takes around 1 minute). Transfer the mixture out and then ground into powder.
Coat shrimp with starch. Shake off extra starch before frying.
Heat up oil in wok until you can see waves on the surface. Fry the shrimp for to 1 minute by two batches. Transfer shrimp out. High oil temperature is the key factor to a great flavor.
Pour the extra oil out and leave only around 1/2 tablespoon. Fry garlic, scallion and chopped fresh peppers until aromatic.
Return the shrimp and sprinkle 3/4 of the salt and pepper.
Transfer out and sprinkle the remaining on the surface or on small corner of the serving plate.
Notes
Recipe first published in 2014 and updated in 2018