Grilled potato wedges--anyone know how to make them crunchier?

Grilled potato wedges--anyone know how to make them crunchier?

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Easy 6-Ingredient Cheesy Potato Wedges - Joyous Apron

Crispy Parmesan Potato Wedges (VIDEO!!) - The Cookie Rookie

Grilled Potato Wedges (Foil Packet Recipe) - Out Grilling

Crispy Baked Potato Wedges (VIDEO)

Crispy Grilled Potato Wedges (with Fry Sauce) - Vindulge

Crunchy Seasoned Baked Potato Wedges

Spicy Roasted Sweet Potato Wedges Recipe - Add a Pinch

Crispy Baked Potato Wedges with Chipotle-Lime Aioli - All the Healthy Things

Seasoned Baked Potato Wedges - The Chunky Chef

Extra Crispy Sweet Potato Wedges - Baker by Nature