This entire recipe of 16 crisps is about 260 calories. In order for a serving to be 38 calories, you should only eat 2 crisps.
These flavorful wafers, simply baked grated cheese, make a delightful accompaniment to soups or a sophisticated nibble to serve with drinks. As the only ingredient, the cheese matters here. Be sure to use imported Parmigiano-Reggiano (look for the name stenciled on the rind) and grate it yourself.