Quick

These crackers use powder made from dried mushrooms ground with a mortar and pestle or in a spice grinder.

Truffle oil can be found at most gourmet shops.

Bucheron is a tangy, mild goat cheese. We like to serve it drizzled with a deep, intensely flavored extra-virgin olive oil.

Haloumi is a semihard cheese made from sheep’s milk; look for it at Middle Eastern markets.

We particularly like the flavor and firm texture of Bulgarian feta cheese, which is easy to slice, but other types can also be used.

This dish can be prepared several hours ahead and served chilled or at room temperature. Peel and slice the cucumbers just before serving.