Crispy Roasted Sweet Potatoes with Garlic and Herbs

Roasted sweet potatoes are sweet, savory, and crisp—an easy, nutritious side or salad addition.

These oven-roasted sweet potatoes work well as a simple side, tossed into salads, or added to grain bowls. They pair nicely with grilled proteins, burgers, or a fresh green salad.

Cubed Roasted Sweet Potatoes on a baking sheet with a wooden spatula scooping some up.

Oven Roasted Sweet Potatoes

Roasting vegetables concentrates their flavor by caramelizing natural sugars. This dry-heat method yields tender interiors with golden, slightly crisp edges—perfect for sweet potatoes.

Three raw sweet potatoes on a marble surface.

How to Roast Sweet Potatoes

Time needed: 40 minutes

A few simple ingredients and minimal prep make this an easy recipe.

  1. Prepare

    Wash, peel, and dice the sweet potatoes into roughly 3/4-inch uniform pieces. Arrange them on a rimmed baking sheet.

  2. Season

    Drizzle with olive oil and sprinkle with kosher or sea salt. Toss to coat evenly and spread in a single layer so the pieces aren’t crowded.

  3. Roast

    Bake in a 425°F (220°C) preheated oven, tossing every 10 minutes. Roast until the potatoes are tender inside and crisp on the edges, about 30–35 minutes.

How long to roast sweet potatoes?

At 425°F with 3/4-inch cubes, expect about 30–35 minutes. Smaller pieces will cook faster; larger pieces will take longer.

How to roast sweet potatoes faster?

Increase the oven to 450–475°F or cut the potatoes into smaller pieces to reduce cook time.

How to get extra crispy potatoes?

Toss the pan every 10 minutes and roast 5–15 minutes longer. For a final crisp, broil for 1–2 minutes while watching closely to avoid burning.

Cubed raw sweet potatoes on a baking sheet drizzled with olive oil and seasonings in small bowls to the side.

Tips for Roasting Vegetables

  • Cut uniformly – Try to dice pieces to the same size so they cook evenly. Perfection isn’t required, but consistent size helps.
  • Don’t overcrowd the pan – Use a large rimmed sheet or a second pan so heat can circulate around each piece for even browning.
  • Toss during roasting – Stirring or shaking the pan once or twice ensures all sides caramelize.
  • Test for doneness – Pierce a piece with a fork: it should go through with little resistance. If the outside lacks color, roast a few minutes longer.
A close up view of Roasted Sweet Potatoes on a a wooden spatula.

Tools Used

  • Half-sheet pan – A large rimmed baking sheet provides even roasting and room for the potatoes to spread out.
  • Cutting board – A stable board makes quick, safe chopping easier.
  • Sharp knife – A reliable chef’s knife speeds prep and creates uniform pieces.
  • Vegetable peeler – Makes peeling quick and efficient.
Close up of cubes of seasoned Roasted Sweet Potatoes.

More Side Dish Ideas

  • Roasted Green Beans
  • Roasted Potatoes and Carrots
  • Garlic Roasted Red Potatoes
  • Twice Baked Potatoes
  • Roasted Beets
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Roasted Sweet Potatoes

Sweet, savory, and crispy—an easy side or salad addition.
Prep Time
10 mins
Cook Time
30 mins
Total Time
40 mins
Servings: 6
Calories: 171 kcal
Author: Garnish and Glaze

Ingredients

  • 2 pounds sweet potatoes, peeled and diced into 3/4-inch pieces
  • 2 tablespoons olive oil
  • 1/2 teaspoon kosher salt

Optional Seasoning

  • 1/2 teaspoon each: chili powder, paprika, kosher salt
  • 1/4 teaspoon garlic powder

Instructions

  1. Preheat oven to 425°F (220°C).
  2. Place diced potatoes on a large rimmed baking sheet. Drizzle with olive oil and sprinkle with kosher salt or the optional seasoning mix. Toss to coat and spread in a single layer.
  3. Bake for about 30 minutes, tossing every 10 minutes, until potatoes are tender inside and crisp on the edges.
Course: Side Dish
Cuisine: American
Keyword: Roasted Sweet Potatoes
Nutrition Facts
Roasted Sweet Potatoes
Amount Per Serving
Calories 171
Fat 5g (8% DV)
Saturated Fat 1g (6% DV)
Sodium 277mg (12% DV)
Potassium 510mg (15% DV)
Carbohydrates 30g (10% DV)
Fiber 5g (21% DV)
Sugar 6g (7% DV)
Protein 2g (4% DV)
Vitamin A 21450 IU (429% DV)
Vitamin C 4 mg (5% DV)
Calcium 45 mg (5% DV)
Iron 1 mg (6% DV)
* Percent Daily Values are based on a 2000 calorie diet.
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