What kind of cheese is the city about 10 km northwest of Polsbroek famous for?
Polsbroek:  It is a part of the municipality of Lopik, and lies about 10 km southeast of Gouda. Gouda, South Holland:  The city is famous for its Gouda cheese, stroopwafels, many grachten, smoking pipes, and its 15th-century city hall.
Gouda cheese