https://beerandbrewing.com/recipe-vier-sterne-german-pilsner/
DIRECTIONS
Mill the grains and mash at 152°F (67°C) for 90 minutes. Recirculate until the runnings are clear, then run off into the kettle. Sparge and top up as necessary to get about 6 gallons (23 liters) of wort, depending on your evaporation rate. Boil for 60 minutes, adding hops according to the schedule. After the boil, chill to about 50°F (10°C), aerate well, and pitch plenty of healthy yeast. Ferment at 50°F (10°C) for 14 days, then allow to rise to about 65°F (18°C) and hold for another 14 days. Crash to 35°F (2°C), package, and carbonate to about 2.5 volumes of CO2.