These Garlic Parmesan Roasted Sweet Potatoes are tender, packed with flavor, and easy to make! Sweet potatoes are coated with garlic, Parmesan, and a blend of spices, then roasted to perfection. This low-carb, gluten-free side dish is perfect for weeknight dinners, holiday meals, or any time you want a quick, flavorful veggie side.

Unlike traditional sweet potato dishes that lean sweet, this recipe keeps it savory, making it the perfect pairing with roast chicken, turkey, pork, or beef.
Ingredients
- 2 sweet potatoes, peeled and thinly sliced
- 2 teaspoons minced garlic
- 1 tablespoon olive oil
- 2 tablespoons butter, melted
- 4 tablespoons grated Parmesan cheese
- ½ teaspoon garlic salt
- ½ teaspoon freshly cracked black pepper
- ½ teaspoon Italian seasoning
- Fresh thyme for garnish
How to Roast Sweet Potatoes
1. Preheat the Oven
Preheat your oven to 400°F (200°C). Lightly butter a baking dish for roasting.
2. Prepare Sweet Potatoes
Peel and slice the sweet potatoes thinly. For even slices, hold the potato firmly on a cutting board and use a sharp knife or Santoku knife.
3. Season
Place the slices in a resealable bag. Add garlic, olive oil, melted butter, Parmesan, garlic salt, black pepper, and Italian seasoning. Seal the bag and shake well to coat every slice.
4. Arrange for Roasting
Arrange the coated sweet potato slices in a spiral or single layer in the baking dish. Sprinkle with fresh thyme and extra Parmesan if desired.
5. Roast
Bake for 30–35 minutes, or until tender and slightly golden. Serve warm.
Tips for Perfect Roasted Sweet Potatoes
- Thickness matters: Thinner slices cook faster, thicker slices need more time.
- Flavor boost: Add smoked paprika, chili powder, or cayenne for a little heat.
- Herb variations: Fresh rosemary works beautifully instead of thyme.
- Keep the skin (optional): Well-washed sweet potatoes can be roasted with skin for extra texture.
Selecting Sweet Potatoes
- Look for plump, heavy sweet potatoes with smooth, even skin.
- Avoid any with blemishes or soft spots.
- Store in a cool, dry, dark place (not in the fridge) for up to two weeks.
- Recommended varieties: Red Garnet or Jewel sweet potatoes.
Serving Suggestions
These Garlic Parmesan Roasted Sweet Potatoes pair perfectly with:
- Roast turkey or chicken
- Pork tenderloin or prime rib
- Vegetarian mains like roasted veggies or grain bowls
They’re great for holidays, weeknight dinners, or meal prep!
Storage & Reheating
- Refrigerator: Store leftovers in an airtight container for up to 3 days.
- Reheat: Cover in the oven with a few drops of water to maintain tenderness.
Why You’ll Love This Recipe
- Quick, easy, and minimal prep
- Savory and flavorful, not overly sweet
- Gluten-free, low-carb, and versatile
- Perfect for holidays or everyday meals
More Sweet Potato Recipes You’ll Love
- Instant Pot Mashed Sweet Potatoes
- Baked Sweet Potato
- Roasted Sweet Potatoes with Maple Pecan Glaze
- Sweet Potato Cauliflower Curry
Yield: 6 servings
Prep Time: 10 minutes
Cook Time: 30 minutes
Enjoy this easy, savory side dish that’s full of flavor and perfect for any occasion!



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