Step 1 Turn on a food processor fitted with the steel blade and drop in the garlic. When it is chopped and adhering to the sides of the bowl, stop the machine and scrape down the sides. Add the olives, capers and thyme and pulse until finely chopped. Scrape down the sides of the bowl.
Step 2 Add the feta, olive oil and pepper and process until smooth. Transfer to a bowl or serving dish. Refrigerate if not serving right away.