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Roasted japanese sweet potato fries on a wooden cutting board with beer and condiments.
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5 from 3 votes

Roasted Japanese Sweet Potato Fries Recipe

These crunchy sweet potato fries are sweet and savory, seasoned with garlic and rosemary, and served with a creamy garlic-rosemary mayo. The perfect side dish or appetizer that's ready in 30 minutes!
Prep Time10 minutes
Cook Time25 minutes
Total Time35 minutes
Course: Appetizer, Side Dish
Cuisine: American
Diet: Vegetarian
Servings: 4 servings
Calories: 251kcal
Author: MaryAnne

Equipment

  • baking sheet
  • large bowl
  • small bowl

Ingredients

  • 3 medium Japanese sweet potatoes, scrubbed and cut into ½-inch thick matchsticks
  • 3 Tablespoons olive oil (or any neutral cooking oil)
  • 1 teaspoon garlic powder
  • 1 Tablespoon fresh rosemary, chopped
  • ½ teaspoon salt
  • flaky sea salt (optional)

For the Garlic-Rosemary Mayo:

  • 2 Tablespoons mayonnaise
  • 1 teaspoon fresh rosemary, chopped
  • 1 garlic clove, minced
  • pinch of salt

Instructions

  • Preheat oven to 425 degrees F.
  • In a large bowl, toss cut sweet potatoes with oil, garlic, rosemary, and salt.
  • Spread the potatoes in a single layer on a baking sheet.
  • Bake for 15 minutes, until golden on the bottom. Use a spatula to flip potatoes and bake for an additional 10-15 minutes, until they are evenly crispy and browned.
  • Make the Garlic-Rosemary Mayo: In a small bowl, combine mayonnaise with the rosemary, garlic, and salt.
  • After removing sweet potato fries from oven, sprinkle with flaky sea salt. Serve with garlic-rosemary mayo.

Notes

  • Cut your sweet potatoes thinner so they cook faster and get nice and crispy.
  • Storage: Store in an airtight container in the refrigerator for up to 4 days.
  • How to reheat: Place in a preheated 350 degree F oven for 10-15 minutes, until heated through.

Nutrition

Calories: 251kcal | Carbohydrates: 35g | Protein: 3g | Fat: 16g | Saturated Fat: 2g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 9g | Trans Fat: 1g | Cholesterol: 3mg | Sodium: 429mg | Potassium: 590mg | Fiber: 5g | Sugar: 7g | Vitamin A: 24067IU | Vitamin C: 5mg | Calcium: 60mg | Iron: 1mg