spinach, washed, trimmed, and chopped (300 grams) • (about 7 roots) wild chervil, finely chopped • leeks, white parts only, finely chopped • green onions, finely chopped (including green parts) • medium yellow onion, finely chopped • dill, finely chopped • parsley, finely chopped • plain Greek yogurt, 2% (about 60 grams) • eggs, beaten • feta cheese, slightly tangy (200 grams) • graviera cheese, coarsely grated (200 grams) • Zest and juice of 1 medium lemon •