Sorry to be clear: she was offered coffee with cream, not served coffee with cream. A minor offence in the context of 2 x totally messed up non-vegan meals. It's illustrative of the crew not being informed of vegan, like offering a Hindu beef.
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And to be abundantly clear, I am not complaining about the quality of the food she was delivered in J. I am complaining about the total failure to deliver vegan meals on two consecutive flights. She was left eating instant noodles and sugary popcorn snacks - in my estimation a completely unacceptable dining experience.