Fans of the show took to Twitter to comment on the royal's 'odd' TV appearance, with many noting the royal probably doesn't do much food shopping.
As well as opening up about her grandchildren, Camilla dished about her personal life with Prince Charles, telling contestants what the couple like to prepare in the kitchen.
The Duchess of Cornwall also revealed that the Prince is passionate about the environment, sustainability and loves local produce. She also told Gary that he loves local cheeses.
When asked what the royal can't live without, she said that olive oil was the top of he list, along with specific veggies.
'I have to have, if I haven't got fresh tomatoes, I'll always have tomato puree,' The Duchess of Cornwall said.
Camilla also spilled that garlic was not a royal favourite.
'I hate to say this...but garlic is a no-no,' she said.
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