Article continues below advertisementDiana's Private IndulgenceSource: MEGA Royal Chef Darren McGrady often swapped lobster for ribs, corn, and banana flan to please the boys. Former royal chef Darren McGrady has revealed Diana thought the dish too indulgent to order at restaurants, but insisted it be made at home. A family source claimed: "Diana saw lobster thermidor as a special luxury, but Harry never liked it. "If William and Harry were home, I'd do barbecue ribs and corn with banana flan or ice cream after. Article continues below advertisementA Dish With a StorySource: Katie Musial/Unsplash Diana adored lobster thermidor as a private Kensington Palace treat.