The best, quick and simple vanilla fairy cake recipe is this. Making them is not rocket science and the little ones can help too. I get them to measure and add the ingredients, good with developing maths skills and getting used to measuring. To mix, I used a food processor, I NEVER use a food processor for cake making but this time I did and I am glad because it saved a lot of time mixing.
I am hoping the end result will look something like this below: