Greek strained yogurt (about 400 grams, two 200-gram containers) • (about 3/4 cup or 180 ml) olive oil • eggs • baking powder (about 1 tablespoon or 16 grams) • salt • Black pepper • ground nutmeg • cornmeal (about 200 grams) • all-purpose flour (about 300 grams) • feta cheese, crumbled (about 350 grams) • graviera cheese, shredded (about 150 grams, or substitute with Gruyère or Swiss cheese) • Poppy seeds for sprinkling