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5 from 2 votes

Japanese Rice Porridge with Sweet potato いも茶がゆ

Japanese rice porridge, or 'okayu', is a warm and delicious comfort food. It's so soft and easy to digest so it's a perfect dish for when you're sick!
Prep Time5 mins
Cook Time20 mins
Total Time25 mins
Course: Rice, Rice dish
Cuisine: Japanese
Servings: 10
Calories: 146kcal
Author: Shihoko | Chopstick Chronicles


  • 2 cups of uncooked rice
  • 10 cups of water
  • 1 Japanese tea bag of any kind
  • 1 purple sweet potato


  • Cut the sweet potato into bite size pieces and leave them in a bowl of water.
  • Wash and rinse the uncooked rice until the washing water becomes clear then drain with a strainer.
  • Place the drained rice and 10 cups of water in a large pan.
  • Bring it to boil over high heat then add a tea bag.
  • Turn the heat down to medium to simmer to cook the rice for about 10 minutes.
  • Drain the water from the sweet potatoes and add into the pan.
  • Simmer for a further 10 min to cook the sweet potato bits.
  • Serve in a rice bowl.


Any kind of Japanese tea such as Hojicha, Genmai cha,  and Mugi cha(Barley tea).


Calories: 146kcal | Carbohydrates: 32g | Protein: 2g | Sodium: 21mg | Potassium: 86mg | Vitamin A: 1845IU | Vitamin C: 0.3mg | Calcium: 22mg | Iron: 0.4mg