Banitsa

Preheat oven to 375°F.

Grease a 9x13-inch baking dish with butter.

Whisk eggs, yogurt, baking soda, and feta until combined.

Lay one filo sheet in the dish and brush with butter.

Repeat layering and buttering for 6 sheets.

Spread half the filling evenly over the layers.

Layer remaining filo sheets, brushing each with butter.

Pour remaining filling evenly over the top.

Bake for 40–45 minutes until golden and set.

Cool slightly, slice, and serve warm.