Soak mung beans and rice for at least 6 hours.
If doing the pork version, combine pork with all pork ingredients and stir to combine. Place in refrigerator and marinate until ready to use.
In a blender,combine rice and mung beans with 1/2 cup water, soy sauce, kimchi liquid and sesame oil. Grind to a barely smooth batter.
Add scallions and chiles. Blend for a few seconds.
Transfer to a bowl.
By hand, fold in the kimchi, until thoroughly combined.
If doing the pork version, divide the batter in half.
To half the batter, add the marinated pork. Stir to combine.
Heat 2 tablespoons of oil in a large skillet.
Add 1/4 cup of batter for each pancake and fry until golden brown on both sides.
Drain on paper towels.
Serve with Dumpling Sauce.