Mix the flour with the baking powder and cocoa in a bowl.
Stir in a second bowl, butter, sugar and salt until creamy. Gradually stir in the eggs.
Finally, stir in the flour. Lay out the troughs (12 pieces) of a muffin tin with [amazon link = "B00TM6WZO2" title = "paper cups" /] and fill in the dough.
Bake in a preheat oven at 180°C top/bottom heat for about 18 minutes, remove and allow to cool.
Mix cream cheese and icing sugar until creamy. Put a little bit of frosting in a small piping bag. Finally, dye the remaining frosting with food coloring.
Fill the green frosting in a piping bag with star spout and spray as a lawn on the cupcakes. With the white frosting pipe a line and number on the lawn.
If desired, decorate e.g. with a [amazon link = "B007TP6MNS" title = "chocolate almond" /].