Garlic Parmesan Roasted Sweet Potatoes

Garlic Parmesan Roasted Sweet Potatoes — Crispy & Easy

by

This post may contain affiliate links. Please read my disclosure policy.

Jump to Recipe Print Recipe

Warm, golden cubes tossed with garlic and salty, nutty cheese — Garlic Parmesan Roasted Sweet Potatoes are a simple, comforting side that fills the kitchen with irresistible aromas. Crispy, caramelized edges give way to a tender, buttery center, while roasted garlic and freshly grated Parmesan add savory depth. This beginner-friendly recipe delivers maximum flavor with minimal fuss.

Garlic Parmesan Roasted Sweet Potatoes with parsley garnish
Garlic Parmesan Roasted Sweet Potatoes — tender inside, crisp and golden outside.

Why You’ll Love ThisGarlic Parmesan Roasted Sweet Potatoes Recipe

  • Quick and easy to prepare — ready in about 35 minutes from start to finish.
  • Uses simple, wholesome ingredients you likely already have in the pantry.
  • Versatile side that pairs with weeknight dinners, holiday feasts, or meal-prep bowls.

A Little Background

Roasting sweet potatoes brings out their natural sweetness and creates crisp, caramelized edges that contrast beautifully with a fluffy interior. Adding garlic and Parmesan transforms this humble root vegetable into a savory, crowd-pleasing side. While roasted sweet potatoes are common across many cuisines, this combination—garlic, olive oil and freshly grated Parmesan—feels especially cozy for cooler months and celebratory meals alike.

Key Ingredients for perfect Garlic Parmesan Roasted Sweet Potatoes

  • Sweet potatoes: Firm, medium-sized tubers, peeled and cut into 1″ cubes for even roasting.
  • Extra-virgin olive oil: Coats the cubes and helps them crisp and caramelize.
  • Fresh garlic: Minced for bright, aromatic flavor; roasted garlic deepens the savory profile.
  • Grated Parmesan cheese: Nutty, salty finish that melts onto hot potato edges.
  • Salt & black pepper: Simple seasonings to balance sweetness and amplify flavors.

Step-by-Step Instructions to make Garlic Parmesan Roasted Sweet Potatoes

  1. Preheat the oven to 425°F (220°C). Line a large baking sheet with parchment paper or lightly oil it to prevent sticking.
  2. Prepare 2–3 medium sweet potatoes: peel and cut into roughly 1-inch cubes so they cook evenly.
  3. In a large bowl, combine 2–3 tablespoons of olive oil, 3 cloves minced garlic (or more to taste), 1/2 to 1 teaspoon salt, 1/2 teaspoon freshly ground black pepper, and 1/2 teaspoon smoked paprika if using. Toss the sweet potato cubes until evenly coated.
  4. Spread the coated sweet potato cubes in a single layer on the prepared baking sheet, giving them space so edges can crisp.
  5. Roast for 20 minutes, then use a spatula to flip or turn the pieces so all sides can brown. Continue roasting for another 8–12 minutes until potatoes are fork-tender and edges are golden and crisp.
  6. Remove from oven and immediately sprinkle about 1/3 to 1/2 cup freshly grated Parmesan over the hot potatoes, tossing gently so the cheese melts and clings to the cubes.
  7. Finish with a handful of chopped fresh parsley or chives for color and a light squeeze of lemon if desired. Serve warm.

Pro Tips & Variations

  • For extra crispiness, spread the sweet potatoes on two sheets so they aren’t crowded—air circulation helps browning.
  • Store leftovers in an airtight container in the refrigerator up to 3–4 days; reheat in a hot oven or toaster oven to restore crisp edges.
  • Variations: swap Parmesan for Pecorino, add rosemary or thyme for herbal notes, or toss with a pinch of cayenne for heat.

Serving Suggestions

These Garlic Parmesan Roasted Sweet Potatoes pair wonderfully with roasted chicken, grilled steak, or a simple green salad. They also make a tasty addition to grain bowls, tacos, or holiday plates — serve hot for best texture and flavor.

Garlic Parmesan Roasted Sweet Potatoes

Garlic Parmesan Roasted Sweet Potatoes

Crispy-edged, tender-in-the-middle sweet potato cubes tossed with garlicky olive oil and a shower of nutty Parmesan. An easy, family-friendly side that’s weeknight simple and holiday worthy.
No ratings yet
Print Recipe Pin Recipe
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Course Side Dish
Cuisine American
Servings 4 servings
Calories 300 kcal

Equipment

  • Baking Sheet
  • Parchment Paper
  • Large Mixing Bowl
  • Spatula

Ingredients
  

Roasted Sweet Potatoes

  • 2 lb sweet potatoes peeled and cut into 1-inch cubes
  • 2 tbsp extra-virgin olive oil
  • 3 cloves garlic finely minced
  • 1 tsp kosher salt or to taste
  • 1/2 tsp black pepper freshly ground
  • 1/2 tsp smoked paprika optional, for a hint of smoky warmth

Finish

  • 1/2 cup Parmesan cheese freshly grated
  • 2 tbsp fresh parsley chopped, for garnish

Instructions
 

  • Preheat the oven to 425°F (220°C). Line a large baking sheet with parchment paper for easy cleanup.
  • Peel the sweet potatoes and cut into 1-inch cubes so they roast evenly.
  • In a large bowl, combine olive oil, minced garlic, salt, black pepper, and smoked paprika (if using). Add the sweet potato cubes and toss until well coated.
  • Spread the sweet potatoes on the baking sheet in a single layer with space between pieces to encourage browning.
  • Roast for 20 minutes. Flip the cubes with a spatula, then continue roasting 8–12 minutes more, until tender with crisp, caramelized edges.
  • Remove from the oven and immediately sprinkle with grated Parmesan, tossing gently so the cheese melts on contact. Optionally return to the oven for 1–2 minutes to help it adhere.
  • Finish with chopped parsley and serve hot.

Notes

For the crispiest edges, avoid crowding the pan; use two sheets if needed so the potatoes roast instead of steam.
Freshly grated Parmesan melts and clings better than pre-shredded. Add it as soon as the potatoes come out of the oven for best results.
Storage: Refrigerate leftovers in an airtight container for 3–4 days. Reheat on a hot sheet pan at 400°F for 8–10 minutes to revive crispness.
Variations: Swap Parmesan for Pecorino Romano, add thyme or rosemary before roasting, or finish with a light squeeze of lemon for brightness.

Nutrition

Calories: 300kcalCarbohydrates: 46gProtein: 8gFat: 10gSaturated Fat: 3gCholesterol: 8mgSodium: 760mgPotassium: 760mgFiber: 7gSugar: 9gVitamin A: 175IUVitamin C: 6mgCalcium: 250mgIron: 2mg
Keyword easy side, Garlic Parmesan Roasted Sweet Potatoes, holiday side
Tried this recipe?Let us know how it was!