Prepare Rice: Wash 1 cup of rice twice and set aside.
Boil Water: Start boiling 8 cups of water.
Prepare Vegetables: Peel and chop ginger into thin strips. Chop cilantro and green onions into small pieces.
Prepare Chicken: Thinly slice 12 oz of chicken. Marinate with 1 tbsp oyster sauce, 2 tsp cornstarch, 1 tsp chicken bouillon, 2 tbsp water, and 2 tbsp vegetable oil.
Cook Congee: Once water is boiling, add washed rice. Bring to a boil again, then reduce to medium heat and cover. Cook for 25 minutes.
Whisk Rice: Use a whisk to break up the rice into a soft texture, stirring constantly for 2-3 minutes.
Add Chicken: Increase heat to high and gradually add marinated chicken, stirring gently for about 1 minute until cooked.
Season Congee: Add 1 tsp salt, 1 tsp chicken bouillon, and minced ginger. Stir for 20-30 seconds.
Serve: Turn off the heat and serve the congee garnished with green onions and cilantro.