01 - Preheat the oven to 425°F. Line a large baking sheet with parchment paper.
02 - Wash and peel the potatoes. Cut into 1/4-inch thick fries.
03 - Place the fries in a large bowl of cold water. Soak for 15 minutes, then drain and pat dry with a clean towel.
04 - In a small bowl, mix together paprika, garlic powder, onion powder, oregano, thyme, cayenne pepper, black pepper, and salt.
05 - Toss the fries with olive oil in a large bowl. Sprinkle the spice mix over the fries and toss until evenly coated.
06 - Spread the fries in a single layer on the prepared baking sheet.
07 - Bake for 20 minutes, then flip the fries and bake for another 12-15 minutes until golden and crispy.
08 - While the fries are baking, whisk together mayonnaise, hot sauce, lemon juice, smoked paprika, and a pinch of salt in a small bowl.
09 - Serve the hot Cajun fries with spicy mayo on the side.