Fudge chocolaty cake

Suddenly had the craving to take very chocolaty stuff. Hence, recently have been baking alot of chocolate cupcakes to cakes. I was suppose to make a fudge icing, but my laziness creep in, Therefore i just dust some icing sugar on the cake.

Ingredients (Makes a 9 inch square tin)
100g caster sugar
100g brown sugar
130g dark chocolate
6 tbsps chocolate chips
350ml  chocolate milk
300g self-raising flour
130g unsalted butter, (softened)
1/4 tsp salt
1 large egg, (beaten)
2 tsps vanilla essence
some icing sugar to sprinkle

Method:

1. Grease and lined the cake tin. Preheat the oven to 180C.
2. Place half of sugar and chocolate in bowl. Heat the milk in a pan and when simmering remove from heat.
3. Add in the chocolate and sugar. Stir till chocolate melted and sugar dissolved.
4. In another bowl, whisk the butter, remaining sugar and vanilla essence until light and fluffly.
5. Stir in the beaten egg and whisk for a 5 minutes.
6. Mix in the chocolate mixture, 3 tbsps of the chocolate chips and flour.
7. Pour the ready batter into the cake tin, sprinkle the another 3 tbsps of chocolate chips and bake for 45 minutes or until just set.