Kkakdugi is probably my favourite of all kimchis due to its serious crunch factor and the addition of rice flour, which gives the sauce a nice thickness and body. This recipe was shared by Young Sook Kim of River Edge, New Jersey, who makes it both for family and in huge quantities for her church fund-raisers. I first tried it at my friend and co-author, Vivian Jao’s house, and when I couldn’t stop eating it, I just had to have the recipe.