Peel and chop white radish
Chop white onion
Grab a medium sized pot. First add the radish at the bottom, next the onion, and top it off with the fish
Next make the sauce. In a medium mixing bowl, add soy sauce, garlic, ginger, sugar, red pepper flakes. Mix well
Pour the mixture over the pot. Add 1 cup of water
Cover and cook on high for 20 minutes
While cooking, check the pot every 5 minutes and pour the sauce from the bottom of the pot over the top of the fish and flip the fillets
After 20 minutes, add green pepper, red pepper, and green onions
Switch to a simmer and cook for another 15 minutes or until the radish are soft and cooked through
Serve with rice!