Ingredients

1+1/3 cup (150 g) all-purpose flour
1+½ cup (330 g) sugar
4 tablespoons unsweetened cocoa powder
1 teaspoon baking powder
1 teaspoon vanilla extract
¾ cup (170 g) butter
3 fl oz (0.9 dl) boiling water
3 eggs
4 oz (120 g) chocolate chips (40-50% cocoa)
5 oz (150 g) chopped walnuts or pecan nuts

Frosting

1/3 cup (75 g) butter
8 oz (220 g) sweet or semisweet dark chocolate
2 tablespoon light corn syrup
2 tablespoon hot espresso or very strong coffee

- your welcome