1: Achieve perfect crispy roasted potatoes by parboiling before roasting to create a fluffy interior.

2: Coat potatoes in a mixture of oil and cornstarch for extra crunchy exteriors every time.

3: Try using a wire rack to elevate potatoes while roasting for even crispiness on all sides.

4: Season potatoes generously with herbs and spices to enhance flavor and texture.

5: Turn potatoes halfway through roasting to ensure even browning and crispiness.

6: Experiment with different types of potatoes like Yukon Gold or red potatoes for unique textures.

7: Don't overcrowd the baking sheet to allow potatoes to crisp up properly.

8: Preheat the baking sheet in the oven before adding the potatoes for a crispy bottom.

9: Serve roasted potatoes hot and fresh out of the oven for the best crispy results.