Prepare 12 cupcake cases into a cupcake baking tray and set aside. Set the oven to 160 degrees Celsius (°C ).
Beat the eggs and sugar until fully incorporated
Add in the melted butter and continue beating until thoroughly mixed
Sift flour, baking powder and sea salt into the mixture. Mix thoroughly.
Split the mixture into two separate bowls.
In the first bowl, add in the matcha powder and milk mixture and mix well.
In the second bowl, add in the melted chocolate and the cacao milk mixture and mix well.
Place a small scoop of each batter into each cupcake case (2 types of batter in 1 cupcake case). The cases should only be 2/3 filled.
Using a clean knife, give the mixed batter a swirl.
Bake for 20 minutes or until a skewer comes out clean.
Once cooked, set aside and allow to cool completely before frosting.