Warm 2 cups of milk in a saucepan on medium heat.
Until dissolved, whisk in 2 tablespoons of unsweetened cocoa.
Add two teaspoons of sugar or sweetener and stir till desired.
Stir thoroughly while melting 1/4 cup of chopped milk or dark chocolate.
To improve the flavor, add a dash of salt and vanilla extract.
To achieve a creamy texture, whisk the ingredients until it is smooth and slightly foamy.
Transfer to a mug and garnish with marshmallows or whipped cream if preferred.