Crispy Sweet Potato Fries with Rosemary for Festive Holiday Sides

Published on November 12, 2025
4.8 (245 reviews)

When the first snow fell, my family gathered around the kitchen table, searching for a side dish that could hold its own against a rich turkey. I remembered the sweet, earthy flavor of roasted sweet p

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Crispy Sweet Potato Fries with Rosemary for Festive Holiday Sides
Prep Time
20 min
Cook Time
30 min
Servings
4

Why You'll Love This Recipe

✓ Crispy Texture: The double‑bake method creates a golden crust while keeping the interior tender, perfect for holiday snacking.
✓ Aromatic Rosemary: Fresh rosemary infuses the fries with a piney fragrance that pairs beautifully with sweet potatoes and festive meals.
✓ Crowd‑Pleaser: Naturally sweet, lightly seasoned, and gluten‑free, these fries satisfy both kids and adults at any gathering.

When the first snow fell, my family gathered around the kitchen table, searching for a side dish that could hold its own against a rich turkey. I remembered the sweet, earthy flavor of roasted sweet potatoes and wondered if I could give them a crisp, fry‑like finish. After a few experiments, the result was a batch of golden, rosemary‑kissed sticks that crackle with every bite. These fries bring the comfort of a classic holiday side while adding a playful, handheld twist that guests can’t resist.

2 Tbsp extra‑virgin olive oil Ensures even browning; can substitute avocado oil.
1 Tbsp cornstarch Creates a light coating that crisps in the oven.
1 Tbsp fresh rosemary, finely chopped If unavailable, use 1 tsp dried rosemary.
½ tsp smoked paprika Adds subtle warmth; optional for milder flavor.
1 tsp flaky sea salt Season after baking for maximum crunch.

Instructions

Crispy Sweet Potato Fries with Rosemary for Festive Holiday Sides
1

Prep the potatoes

Peel (if desired) and cut the sweet potatoes into uniform ¼‑inch sticks. Soak the sticks in cold water for 10 minutes to remove excess starch, then drain and pat completely dry with a clean kitchen towel.

Pro Tip: A thorough dry prevents steam, which would sabotage crispness.
2

Coat with cornstarch and oil

In a large bowl, toss the dried sticks with cornstarch until lightly coated. Drizzle olive oil over the coated sticks, then sprinkle chopped rosemary, smoked paprika, and a pinch of salt. Mix until every fry is evenly seasoned.

Pro Tip: Use your hands to ensure the coating adheres uniformly.
3

First bake

Spread the fries in a single layer on a parchment‑lined baking sheet, leaving space between each piece. Bake in a preheated 425°F (220°C) oven for 15 minutes, turning once halfway through.

Pro Tip: Overcrowding traps moisture; use two sheets if necessary.
4

Second bake for crunch

Reduce oven temperature to 400°F (200°C). Return the partially cooked fries to the oven for an additional 12‑15 minutes, or until deep golden and crisp. Flip halfway for even browning.

Pro Tip: Keep a close eye; sugars can caramelize quickly.
5

Finish and serve

Transfer fries to a serving platter, sprinkle a final pinch of flaky sea salt, and serve immediately while hot. Pair with aioli, ketchup, or a citrus‑yogurt dip for extra holiday flair.

Pro Tip: If preparing ahead, keep warm in a low oven (200°F) and re‑crisp under the broiler for 2 minutes before serving.

Expert Tips

Tip #1: Uniform Cuts

Cut sticks to the same thickness (¼‑inch) so they bake evenly; a mandoline or fry cutter speeds the process.

Tip #2: Dry Thoroughly

Moisture is the enemy of crispness; use paper towels or a clean kitchen cloth to pat each fry dry after soaking.

Tip #3: Double‑Bake

The initial high‑heat blast sets the crust; the lower‑heat finish dries the interior for that perfect bite‑size crunch.

Tip #4: Finish with Salt

Season after baking to preserve the flaky sea salt’s texture and prevent it from drawing moisture from the fries.

Storage & Variations

Store leftovers in an airtight container in the refrigerator for up to 2 days; re‑crisp in a preheated 425°F oven for 5 minutes. Swap rosemary for thyme or sage, add garlic powder for extra depth, or drizzle with maple‑balsamic glaze for a sweet‑savory twist.

Frequently Asked Questions

Frozen sticks contain extra moisture, which hampers crisping. If you must, thaw completely, pat dry, and add a little extra cornstarch before baking.

Baking keeps the fries lighter and healthier while still delivering crunch. Deep‑frying adds richness but can make them greasy and less holiday‑friendly.

The recipe is already gluten‑free; just ensure your cornstarch and seasoning blends contain no hidden wheat ingredients.

Absolutely—garlic aioli, chipotle mayo, or a lemon‑yogurt dip complement the rosemary flavor and add a festive touch.

Nutrition

Per serving

Calories
210 kcal
Fat
9 g
Carbs
28 g
Protein
2 g

Recipe Summary

Prep
3 min
Cook
12 min
Total
15 min
Servings
3
Category: Snacks and Appetizers
Cuisine: International
Difficulty: Easy
Course: Main
Quick Tips
  • Make ahead friendly
  • Freezer safe 3 months
  • Easily doubled
  • Customizable

Ingredients

  • 2 large sweet potatoes (about 1½ lb)
  • 2 Tbsp extra‑virgin olive oil
  • 1 Tbsp cornstarch
  • 1 Tbsp fresh rosemary, finely chopped
  • ½ tsp smoked paprika
  • 1 tsp flaky sea salt

Instructions

1
Prep the potatoes

Peel (if desired) and cut the sweet potatoes into uniform ¼‑inch sticks. Soak the sticks in cold water for 10 minutes to remove excess starch, then drain and pat completely dry with a clean kitchen to...

2
Coat with cornstarch and oil

In a large bowl, toss the dried sticks with cornstarch until lightly coated. Drizzle olive oil over the coated sticks, then sprinkle chopped rosemary, smoked paprika, and a pinch of salt. Mix until ev...

3
First bake

Spread the fries in a single layer on a parchment‑lined baking sheet, leaving space between each piece. Bake in a preheated 425°F (220°C) oven for 15 minutes, turning once halfway through....

4
Second bake for crunch

Reduce oven temperature to 400°F (200°C). Return the partially cooked fries to the oven for an additional 12‑15 minutes, or until deep golden and crisp. Flip halfway for even browning....

5
Finish and serve

Transfer fries to a serving platter, sprinkle a final pinch of flaky sea salt, and serve immediately while hot. Pair with aioli, ketchup, or a citrus‑yogurt dip for extra holiday flair....

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