Meghan Markle sent fans into meltdown when she posted a picture of two bananas cuddling on her Instagram during the early days of her romance with Prince Harry . And it seems the couple will make the fruit a part of their nuptials in May as they are reportedly set to have a banana wedding cake. The newly-engaged pair will break with tradition for their big day to include Harry’s favourite flavour. A source told The Telegraph : “This will be the first royal wedding cake made from bananas.” Meghan, 36, set tongues wagging when she posted a snap of two bananas snuggled together on her Instagram in September last year. She captioned the cute image: “Sleep tight xx.” Instagram It sparked instant speculation that Megan was referring to her then-rumoured royal boyfriend with several followers jumping on the subtle nod. One wrote, “Goodnight Harry. Good night Megan” and added the crying-laughing emoji. Another said: “Is that message for your red hair prince?” A third very cheekily suggested: “She’s currently enjoying some Royal English Banana.” The top tier of a wedding cake is traditionally make of fruit cake and is served at the christening of the couple’s first child. The…