Remove the shells and devein the shrimp, then clean them thoroughly.
Coat the shrimp evenly with salt, pepper, and starch.
Heat cooking oil in a pan and cook the shrimp until golden brown.
Add minced garlic, minced onion, and minced chili to the pan, and sauté.
Add ketchup, chili sauce, soy sauce, sugar, and water to make the sauce.
Add the cooked shrimp to the sauce, mix well, and cook once more.
Plate the finished Chili Shrimp.