Mash the boiled egg
Place all the ingredients into a saucepan and bring to the boil over a medium-low heat.
When the stock is boiling, reduce the heat and simmer gently for 20 minutes or until the stock reduces. The rice will expand and swell and absorb much of the liquid.
Remove your homemade cat food mixture from the heat and allow it to cool completely.
Blend the mixture in a food processor until all the ingredients are mashed together.
Place into an air-tight container and store in the fridge for up to 3 days.