Add corn starch, garlic powder, paprika, thyme, oregano, and red chili powder, and season with salt and pepper in a large bowl.
Coat the clean and devein prawns in the corn starch mixture and dust off any excess corn starch.
Next, add around 0.5 inches of oil to a pan, and turn the heat to medium-high. Once the oil is hot, pan-fry the prawns on each side for 1-2 minutes. Remove and set aside.
Using a paper towel, wipe off any excess oil, and In the same pan, add butter, Korean red chili paste, and garlic. Turn the heat to medium and simmer for 1-2 minutes or until fragrant.
Add the prawns back in, Squeeze in lemon juice and Saute on high heat for 1 minute.
To finish off, garnish with green onion and parmesan cheese.
