Cook the leeks in water until partially softened. Squeeze dry of all liquid. Roughly blend with feta cheese in a food processor. Add salt and pepper to taste. Add fresh herbs if using. Add eggs and enough breadcrumbs that the mixture looks like chopped liver. Be generous! Let stand for at least 15 minutes.

Form patties and fry in hot oil. Drain on paper towels. Serve with fresh lemons or drizzle a bit of lemon juice before serving.