Graskaas is a created from the first milkings after cows have spent the winter inside and are led to pasture.

This is rich and makes a mild-flavored and creamy ; prepared from produced by indoor cows is known as hooikaas, or “hay .” Meikaas, or “May ,” is identical to graskaas but is aged for a shorter period of time.

Graskaas is usually available in early summer, but due to an unusually warm spring in 1596, graskaas was available in the Delft market on March 28.