Based on the context and the answer, generate a question. 

Context: So the big top secret baking project : BANANA BUTTERSCOTCH CUPCAKES . It was a secret because I was making them for said friends ' b - day . The recipe is the first one I ' ve tried from this cookbook : And I would type it out here but I do n't want to get sued for copyright infringement or anything ( though I do know a good lawyer ... ) . I looked around online and it is very similar to this one .

Answer:

I had to buy flour and eggs .



What did I had to do before the project ?