The quest to serve high quality coffee is an all year-round endeavor at the ever-popular Café Frühling – meaning Spring Café. After four years’ catering for Basel’s growing thirst for specialty coffee, the Hohlmann brothers have expanded their Swiss-based coffee enterprise with a 12kg Diedrich. Felix, who heads up the roasting operation is excited about the new addition to the family: “The Diedrich is totally different to the roasters I have used before. It has a different drum where the inflow of air is pre-heated. It stays between the drum and the bowl so if you give more airflow, you also give more energy”. Demonstrating a tireless passion for his…