Sprinkle some cornstarch or potato starch, Gently massage the shrimp to remove the odor and dirt. Rinse the shrimp and pat them dry with a paper towel to remove any excess moisture.
Combining buttermilk, salt, pepper, onion powder, garlic powder. Pour over cleaned shrimp and stir to coat
In a bowl, whisk together mayonnaise, Thai sweet chili sauce and hot sauce and set aside
Preheating your oil to 375°F/190℃
Place cornstarch in a medium bowl. Remove shrimp from the marinade, letting the excess liquid off, then place into the cornstarch and gently toss to coat. Transfer to plate in a single layer.
Add the shrimp to the hot oil in batches and fry until lightly browned around 2-3 minutes
Transfer the shrimp to a paper towel-lined plate to remove excess oil. Then transfer to the bowl of sauce and toss to coat