Achieving crispy sweet potato fries in the oven can be tricky—even experienced home cooks face hit-or-miss results. From our test kitchen trials, these proven steps dramatically improve your odds of golden, crunchy perfection every time.
1. Dry the fries thoroughly
If you rinsed or soaked the sweet potatoes, pat them very dry to remove excess moisture.
2. Toss in cornflour
A light coating of cornflour or polenta creates a crispier crust.
3. Preheat the oven
This essential step ensures even, high-heat cooking from the start.
4. Space the fries apart
Arrange them on the baking tray without touching for proper air flow.
5. Flip regularly
Turn the fries at least twice during baking for uniform crispiness.
