Step 1

Ask a grown-up helper to turn the oven on to 180C/160C fan/gas Put a paper case in hole of a 12-hole bun tin.

Step 2

Put the sugar and butter (it must be soft or you won’t be able to mix it properly) in a bowl and mix it together. Sift in the flour.

Step 3

Break the eggs into a separate bowl (spoon out any bits of shell that fall in) and add them to the bowl with the vanilla. Mix everything together.

Step 4

Divide between the cases using a spoon, scraping it off with a knife. Ask a grown-up helper to put the tray in the oven for 20 minutes.

Step 5

Mix the butter and icing sugar to make a creamy icing. Add colouring, if you like. Push an icing nozzle into an icing bag, then scoop in the icing.

Step 6

Let the cakes cool completely in the tray. Pipe icing onto each cake and decorate with marshmallows or sprinkles, or whatever you like.