01 - Preheat oven to 375°F and line a baking sheet with parchment paper
02 - Whisk together flour, cornmeal, baking powder, chili powder, cumin, smoked paprika, garlic powder, onion powder, and salt in a large bowl
03 - Add olive oil and water to dry mixture. Mix until dough forms, adding additional water if dough is too dry
04 - On lightly floured surface, roll dough to 1/8-inch thickness
05 - Using knife or pizza cutter, cut dough into 1-inch squares or use small cookie cutter for desired shapes
06 - Transfer crackers to prepared baking sheet. Sprinkle with shredded cheddar cheese and dried oregano if using
07 - Bake for 12-15 minutes until golden and crisp
08 - Let cool on baking sheet for 5 minutes before transferring to wire rack. Store in airtight container for up to one week