Mmm...café serves a variety of espresso-based drinks and coffee-based cold beverages, complemented by sweet food options. Opened in May 2026, it features the XLVI machine for quality brews. Located at 40 Rue de Prony, the café contributes to the 17th arrondissement's rise as a specialty coffee hub. Prices include an espresso for €2.50 and a flat white for €4.50, with both takeaway and seating available, as well as plant-based milk alternatives.