[header] How to make banana cupcakes [title] Preheat the oven to 375ºf (190ºc). [step] Either use silicone cupcake cases on their own, or paper cupcake cases in a muffin pan (this helps to hold their shape best). [title] Beat together the butter and sugar until light and fluffy. 
[step] You can do this using handheld mixer or a food processor fitted with whisks. [title] Add the eggs, one at a time.