Pre-heat your oven to 160C Fan/350F/Gas Mark 4 and line a cupcake tin with paper cases
To make the cupcakes, mix together the butter and caster sugar until smooth, ideally using an electric mixer
Add the eggs and milk, and mix well
Add the self raising flour, cocoa powder and baking powder and whisk in gently
Divide the mixture between the cupcakes cases, and bake them for 20 minutes or until a skewer inserted in the centre comes out clean. Put them on a rack to cool completely
To make the buttercream, mix together the butter and icing sugar with a spoon or electric hand whisk, when it starts to come together, add the milk and Malteser Teaser spread and mix until smooth. You can add more milk if the buttercream is too stiff
Pipe the buttercream onto each cupcake using a piping bag fitted with an open star nozzle. Or spread on with a spoon
Top each cupcake with a Malteser Teaser chocolate!
Store in an airtight container in a cool place, eat leftovers within 3 days