Clean the seafood such as squid and shrimp thoroughly.
Cut vegetables (bean sprouts, water parsley, onion, carrot, etc.) into bite-sized pieces.
Blanch the seafood briefly in boiling water.
Heat oil in a pan and sauté minced garlic.
Add the vegetables and seafood to the pan, then stir-fry with chili powder seasoning.
Add soy sauce, gochujang, spicy green pepper, and seasoning, then cook over medium heat.
Transfer the finished seafood stir-fry to a plate and garnish with water parsley.