Wash the sweet pumpkin thoroughly with the skin on, remove the seeds, and cut into suitable sizes.
Steam the sweet pumpkin until it is soft and fully cooked.
Mash the steamed sweet pumpkin finely.
Mix glutinous rice flour and sugar, then knead with the mashed sweet pumpkin.
Spread the dough evenly in a container and steam again.
Once fully cooked, let it cool slightly and cut into bite-sized pieces.
Coat the injeolmi evenly with soybean powder.