1 - Preheat oven to 360 F (180 C) Beat eggs in a bowl, using a whisk ( no mixer needed).

2 - Slowly add the melted butter, whisking to incorporate.

3 - Add the cheeses (mozzarella, feta and cream cheese), stir to combine.

4 - Then add the baking powder and whisk.

5 - Grease a 8×8 -inch square baking dish with butter and pour the mixture inside.

6 - Top with sesame seeds (optional).

7 - Bake for 20 minutes, until golden.

8 - Let it cool for 5-10 minutes inside the pan, then cut into pieces and serve.

9 - Keep in the fridge for up to 3 days.