Chocolate Cake Recipe

Chocolate Cake Recipe
Ingredients:
250g chocolate
180g butter
375 g powdered sugar
3 eggs
200 g self-raising flour
40 g unsweetened cocoa powder
250 ml hot water
Filling:
100 g softened butter
100 g dulce de leche
100 g melted chocolate (using a double boiler)
100g whipped cream
2 tbsp instant coffee
Unsweetened cocoa powder for dusting