Starting from the year 1870, a new "Regulation for the Penal Institution at Sennhof" was implemented. According to this regulation, inmates were served a soup thickened with flour in the morning before starting work at 6 a.m. In the evening, they had barley or gruel soup, or rice soup with beans or potatoes. The midday meal offered more variety: on Sundays and Thursdays, meat and vegetables were on the menu, while on other days, it was mostly barley or rice soup with beans and potatoes. However, due to the rule of silence, inmates couldn't discuss the culinary delights.

The house rules from 1927 introduced some changes: incarcerated men and women received "a serving of milk coffee or chocolate" in the morning. Additionally, besides meat once a week, there were sausages and vegetables or polenta.

Around 2015, there were no longer strict regulations in place. Inmates received three main meals, and depending on their health or religious requirements, there were also special or dietary options. The prison administration placed great importance on providing healthy, varied meals in sufficient quantities. This was something that inmates in the 19th century could only dream of.