1
Preheat oven to 360 F (180 C)
2
Beat eggs in a bowl, using a whisk ( no mixer needed).
3
Slowly add the melted butter, whisking to incorporate.
4
Add the cheeses (mozzarella, feta and cream cheese), stir to combine. Then add the baking powder and whisk.
5
Grease a 8×8 -inch square baking dish with butter and pour the mixture inside. Top with sesame seeds (optional).
6
Bake for 20 minutes, until golden.
7
Let it cool for 5-10 minutes inside the pan, then cut into pieces and serve.
8
Keep in the fridge for up to 3 days.