Spiced Hot Chocolate

Ingredients:
2 cups (500 ml) cold milk
4.5 oz (127 grams) of dark chocolate (at least 52% cocoa content)
1 tablespoon white granulated sugar
1 tablespoon unsweetened cocoa powder

Spices:
1/2 teaspoon ground cinnamon
1/4 teaspoon ground cardamom
1/4 teaspoon vanilla powder
a pinch of red chili pepper
a pinch of ground cloves