Seoan beolgyeo jjukkumi

Clean the webfoot octopus thoroughly by removing the internal organs, eyes, and beak. Rinse under cold water multiple times until clean.

In a large bowl, combine gochujang, gochugaru, soy sauce (Jin-ganjang), white sugar, minced garlic, minced fresh ginger, sesame oil, and black pepper powder to create the spicy marinade.

Add the cleaned webfoot octopus to the marinade bowl and toss to coat evenly. Let the webfoot octopus marinate for 10-15 minutes.