Cumin-Crusted Oven Fries

Ingredients

• 2 1/4 russet potatoes, cut lengthwise into ½-inch wedges
• 1/4 extra-virgin olive oil
• 2 cumin seeds
• 1 sea salt, or to taste
• freshly ground black pepper, to taste
• 1/2 homemade mayonnaise, for serving (optional)