He knew a lot about his grandparents - and perhaps he feels he's been endowed with abilities to go into people's heads who are long dead - but, to a certain extent, he's making it up.
“I can't tell you enough about cinnamon. Cinnamon is an awesome spice to use and it goes great with something like apples in the morning or in a mixture of fruit or in your oatmeal or even in your cereal.”