Wash mung beans and soak in water over night. Wash sweet rice grain and soak in water over night. (or soak for 5-6 hours) Rinse and drain. Set aside.
Scoop mung beans and rice into the food grinder in small batches. If needed add 1-2 tbsp of water to loosen up the consistency before grinding each batch. Set aside.
Chop pork into bite size cubes. Add garlic, saki, pinch of salt, pinch of pepper. Mix well and set aside.
Chop kimchi into bite size cubes and chop spring onions. Set aside.
Combine ⅓ sweet rice flour with ⅔ cup water and make a slurry. Set aside.
Into a big mixing bowl combine the mung bean paste, pork, kimchi, spring onions, salt, garlic powder, black pepper and mix well. Pour sweet rice flour slurry and mix well.
Heat pan to low/medium high. Add oil to the pan. Drop the pancake batter into the pan, ½ ladle full at a time. Use a flat spoon to gently flatten the pancake in a circular motion.
Cook 4-5 min on each side until golden brown and crispy.
Yields about 11 pancakes. Best served hot!