2 cups All-purpose flour, plus more for surface
2 teaspoons Baking powder
1 teaspoon Kosher salt
1/2 teaspoon Baking soda
1 cup Plain Greek yogurt
2 tablespoons Olive oil
Vegetable oil, for pan
2 teaspoons Extra-virgin olive oil
12 ounces Grape tomatoes, halved
1/4 Small red onion, sliced
2 teaspoons Freshly chopped oregano
Kosher salt
Freshly ground black pepper
8 ounces Mozzarella, sliced into 1/4 thick rounds
Balsamic glaze, for serving
2 cups Arugula