Preheat your oven to 425°F (220°C). Prepare your baking sheet by lining it with parchment paper or lightly greasing it.

Wash and dry your potatoes thoroughly to achieve crispiness.

Carefully make thin, even slices along the length of each potato, stopping just before cutting all the way through.

Drizzle olive oil over the cut potatoes and sprinkle Cajun spice mix liberally over them.

Place the prepared potatoes on your baking sheet and roast for 30-35 minutes until golden brown and crispy.

Combine vegan mayo with a sprinkle of additional Cajun spice in a bowl to create a dipping sauce.

Serve the crispy potatoes warm alongside the Cajun mayo for dipping.