I've not dined in the tea room, but have purchased tea cakes and biscuits from this location. And, they are wonderful!
All the ingredients are top quality and the proof was in the eating.
I think the next visit to Whitby will include a visit to the tea room (and more takeaway purchases as well.
They have a website to order various foodstuffs including hampers, cakes, preserves, tea & coffee and gift certificates.