Put 3.4 fl. oz. (100 ml) of water with 4.1 fl. oz. (120 ml) of vegetable milk and a teaspoon of baking cocoa in a pot on the stove to heat. Then add the oatmeal and simmer for about 15 minutes.
Make an espresso (e.g., using an automatic coffee maker). Alternatively, use 1-1.4 fl. oz. (30-40 ml) of coffee.
When the porridge forms a uniform mass, remove the pot from the stove. Then add the espresso as well as the sweetener of choice. Mix well and then pour into a breakfast bowl.
Prepare the remaining vegetable milk ( 1 fl. oz. / 30 ml) as milk froth (e.g. using a milk frother). Pour over the porridge and then sprinkle a little baking cocoa over it (e.g. with the help of a fine-mesh sieve).