Take red chillies which are soaked in warm water ,de seed them & make fine paste in grinder with little water.
Take pan, pour oil & heat add ginger garlic & chilli paste sa
Now add soya sauce & vinegar add little water & salt sugar & cook.
Notes
Shezwan sauce is spicy , you can use in making shezwan rice , noddles ,momos . You can store this sauce in clean bottle & use when needed.Consistency of sauce can be adjusted as per your choice .You can add more oil to it as a preservative. Sugar balances the spiciness of sauce