To make the recipe more spicy you can add more gochugaru and/or substitute jalapeno peppers or a spicier pepper of your choice.
Keyword asian recipes, banchan, banchon, easy fishcake, Easy Korean Recipe, eomuk bokkeum, Fish cake, fish sauce, fishcake, korean peppers, mild, Purple sweet potato noodles, side dish, Soy sauce, Sweet and Savory, umami