For all coffee lovers who start sweating even before their first cup of coffee in the summer heat, we have the perfect recipe. A flawless cold brew made with your favorite coffee – nothing refreshes you better and brings you back to life after a heated night. This is truly delicious cold brew, and it's easy peasy to whip up in your sleep.

Here's how:

• Take 100g of your favorite coffee and grind it as coarsely as possible. A filter roast works best for this. If you like it very intense and concentrated, you can also use an espresso roast.

• Put your coffee powder into a suitably sized container and fill it with 1 liter of cold water.

• Now stir the coffee-water mixture for about 30 seconds.

• The mixture then needs to sit in the refrigerator.

• After 24 hours*, take your mixture out of the fridge and filter it using a coffee filter.

• Now you can enjoy your cold brew “on the rocks”.

This is a standard recipe and all types of coffee are suitable.

Our favorite coffee for cold brew, however, is Kirinyaga Gatuya from Kenya. It has a perfect balance between fruity and sweet aromas.

* Depending on your taste, you can let the coffee brew for more or fewer hours. The longer the extraction time, the greater the intensity and body. The shorter the extraction time, the fruitier the result. However, we don't recommend brewing for less than 10 hours for flavor reasons.