01 - Preheat the oven to 375°F and line a baking sheet with parchment paper.
02 - In a mixing bowl, mix together flour, baking powder, salt, black pepper, oregano, and garlic powder until evenly blended.
03 - Add the cold, cubed butter to the dry mixture and rub it in with your fingertips until the mixture resembles coarse crumbs.
04 - Stir in the shredded cheddar and grated Parmesan cheeses until evenly distributed.
05 - Add cold water gradually, one tablespoon at a time, mixing until the dough just comes together.
06 - Transfer the dough onto a lightly floured surface and roll out to approximately 1/4 inch thickness.
07 - Cut the dough into preferred shapes such as squares, sticks, or rounds and place them on the prepared baking sheet.
08 - Bake in the preheated oven for 18 to 20 minutes until golden brown and crisp.
09 - Remove from oven and cool on a wire rack before serving.