Scary Red Congee. Secret of the Haunted Mansion - S1.E18

Mao is split up from Meirii and Siro in a forest at night. When they regroup they find a large house where they are served a very nice meal by the chef there. The sickly owners however only want to have red congee. Mao and gang try to find the secrets of this addictive congee and find it is made from a poisonous red mushroom. Also they find out the chef wanted to use this addictive red congee to force the owner's to sign a contract to give all their money and their daughter to him. And so Mao creates a herbal 'five colour' congee which he gives to the owners. This cures their addictiveness for red congee and the chef is forced to leave.