Garlic Butter Roasted Sweet Potato Recipe
If you’re searching for a side dish that truly steals the spotlight, look no further than this Garlic Butter Roasted Sweet Potato Recipe. Golden slices of sweet potato are bathed in savory garlic butter, sprinkled with real Parmesan, and roasted until irresistibly tender and caramelized. It’s an easy yet elegant way to turn an everyday root vegetable into a dinner table star—guaranteed to win over friends and family on weeknights or holidays alike.

Ingredients You’ll Need
What I truly love about this recipe is how a handful of classic ingredients can transform into such a showstopper. Each one brings essential flavor, texture, or a pop of color to the dish, and together, they deliver serious comfort-food magic.
- Sweet Potatoes: Look for ones that are firm and evenly shaped for the prettiest slices and the perfect balance of sweet and earthy flavors.
- Garlic: Freshly minced garlic infuses every single bite with a heady, aromatic punch.
- Extra-Virgin Olive Oil: Adds richness and helps the sweet potatoes crisp up beautifully along the edges.
- Butter: The heart and soul of this recipe—melted butter softens every slice and carries the garlic flavor throughout.
- Parmesan Cheese: Freshly grated Parmesan forms a savory, golden crust that’s the best surprise on top of each bite.
- Italian Seasoning: A blend of classic herbs (like basil, oregano, and thyme) that ties every ingredient together with its warmth and aroma.
How to Make Garlic Butter Roasted Sweet Potato Recipe
Step 1: Preheat the Oven
Get things started by preheating your oven to 400 degrees Fahrenheit. A hot oven is key for creating gorgeous caramelization on those sweet potato edges, ensuring each slice roasts to perfection with a rich, roasted flavor.
Step 2: Prep Sweet Potatoes and Baking Dish
Peel all your sweet potatoes and slice them into uniform rounds—about 1/4-inch thick is just right for even roasting. Lightly butter a large rectangular or oval baking dish so nothing sticks, and every bit gets that buttery touch.
Step 3: Arrange Sweet Potato Slices
Now comes the fun part! Stack the sweet potato slices in your hands and fan them out in the dish. I love to work my way around the outside, then spiral into the middle, making a beautiful pattern that’s as easy as it is eye-catching.
Step 4: Prepare the Garlic Butter Mixture
In a small bowl, whisk together the extra-virgin olive oil, melted butter, minced garlic, half the Parmesan cheese, and all the Italian seasoning. This is the flavor powerhouse of the Garlic Butter Roasted Sweet Potato Recipe, and the aroma alone is pure heaven.
Step 5: Pour and Coat
Drizzle the garlicky butter mixture evenly over the arranged sweet potatoes, making sure every slice gets a little love. Use your hands or a brush to ensure all those nooks and crannies are coated for maximum flavor.
Step 6: Add More Cheese and Bake Covered
Sprinkle the remaining Parmesan cheese over the top. Cover the baking dish with foil to let the sweet potatoes steam gently while baking for 1 hour. This ensures tender, melt-in-your-mouth potatoes every time.
Step 7: Finish Baking Uncovered
Remove the foil and return the dish to the oven for an additional 15 minutes. This last blast of heat helps crisp up the top and browns the cheese for a gorgeous finish. You’ll know it’s ready when a fork slides through the sweet potatoes easily.
Step 8: Serve and Enjoy
Take your masterpiece out of the oven and let it rest for a few minutes. Serve warm, garnished with fresh thyme or your favorite herbs for that touch of vibrant green. The Garlic Butter Roasted Sweet Potato Recipe is now ready to wow your table!
How to Serve Garlic Butter Roasted Sweet Potato Recipe

Garnishes
A shower of freshly chopped fresh thyme or parsley works wonders as a final touch. The pop of green contrasts with the caramelized potatoes, and the herbal aroma punches up the entire dish. For a little zing, try a sprinkle of lemon zest or a dusting of extra Parmesan right before serving.
Side Dishes
This dish pairs beautifully with hearty mains. Think roasted chicken, grilled fish, or even a festive beef roast. Add a crisp green salad or some sautéed greens for a balanced plate, and you’ve got a meal that suits both a cozy dinner and a celebratory feast.
Creative Ways to Present
The spiral arrangement makes for a stunning table presentation, but you can play with fun shapes—try stacking the slices vertically in a muffin tin for individual servings, or layer them in rows like a potato gratin. Guests will love seeing your creativity with the Garlic Butter Roasted Sweet Potato Recipe!
Make Ahead and Storage
Storing Leftovers
Leftovers (if you’re lucky enough to have them!) keep beautifully. Allow the sweet potatoes to cool completely, then cover tightly or transfer to an airtight container. They’ll stay fresh in the refrigerator for up to 4 days, ready to brighten up a weekday lunch or dinner.
Freezing
You can freeze the Garlic Butter Roasted Sweet Potato Recipe for up to 2 months. Arrange cooled slices in a single layer on a baking sheet and freeze until firm, then transfer to a freezer bag. This helps the slices stay separate and makes reheating a breeze.
Reheating
For best results, reheat the sweet potatoes in the oven at 350 degrees Fahrenheit, covered with foil until heated through. This helps preserve their delicious texture. You can also warm them up in the microwave, but the oven keeps those edges just a bit crisp, like when freshly made.
FAQs
Can I use pre-shredded Parmesan cheese instead of freshly grated?
Freshly grated Parmesan melts and blends into the potatoes much better, creating that iconic savory crust. Pre-shredded works in a pinch, but the texture and flavor won’t be quite as magical as using real Parmesan straight from the block.
Do I have to peel the sweet potatoes?
Peeled sweet potatoes are traditional for this recipe and help every slice absorb all that garlicky butter. If you love a rustic vibe (and extra fiber), you can leave the skin on—just scrub the potatoes well before slicing!
Can I prepare the Garlic Butter Roasted Sweet Potato Recipe a day ahead?
Absolutely! You can assemble everything in the baking dish, cover tightly with foil, and store in the fridge overnight. Just pop it into the oven when ready to bake, adding a few extra minutes if it’s starting from cold.
Is there a dairy-free option for the garlic butter mixture?
Yes, you can substitute the butter with a good-quality vegan butter and use a dairy-free parmesan alternative. The flavor will still be rich and satisfying, making the Garlic Butter Roasted Sweet Potato Recipe accessible for everyone at your table.
What’s the best way to slice the sweet potatoes evenly?
A sharp chef’s knife does the job, but if you want perfectly uniform slices (which roast more evenly), a mandoline slicer is a fantastic tool. Either way, aim for slices about 1/4-inch thick for ideal tenderness.
Final Thoughts
I can’t recommend this Garlic Butter Roasted Sweet Potato Recipe enough—whether you’re craving a dazzling side for guests or want to treat yourself on a random Tuesday. Every bite is warm, rich, and bursting with flavor. Give it a try and enjoy the rave reviews around your table!
PrintGarlic Butter Roasted Sweet Potato Recipe
Indulge in the deliciousness of Garlic Butter Roasted Sweet Potatoes – a perfect blend of savory garlic, melted butter, and crispy Parmesan cheese over tender, roasted sweet potato slices. This easy recipe is a flavorful side dish that will elevate any meal.
- Prep Time: 15 minutes
- Cook Time: 1 hour 15 minutes
- Total Time: 1 hour 30 minutes
- Yield: 4 servings 1x
- Category: Side Dish
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
Sweet Potatoes:
- 4 medium to large sweet potatoes (peeled and sliced)
Garlic Butter Mixture:
- 6 garlic cloves (minced)
- 3 tablespoons extra-virgin olive oil
- 4 tablespoons butter (melted)
- 3/4 cup parmesan cheese (freshly grated)
- 1 tablespoon Italian seasoning
Instructions
- Preheat the Oven: Preheat your oven to 400 degrees F.
- Prepare Sweet Potatoes: Peel and slice the sweet potatoes. Butter a baking dish.
- Arrange Potatoes: Stack the sweet potato slices in the dish, fanning them out.
- Mix Garlic Butter: Combine oil, melted butter, garlic, 1/2 cup Parmesan, and Italian seasoning.
- Coat Potatoes: Pour the mixture over the sweet potatoes, ensuring they are coated.
- Add Cheese: Sprinkle remaining Parmesan on top. Cover with foil and bake for 1 hour.
- Final Bake: Remove foil and bake for 15 more minutes until tender.
- Serve: Garnish with fresh thyme and enjoy!
Nutrition
- Serving Size: 1 serving
- Calories: 320
- Sugar: 6g
- Sodium: 380mg
- Fat: 18g
- Saturated Fat: 9g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 35g
- Fiber: 5g
- Protein: 6g
- Cholesterol: 35mg
Keywords: Garlic Butter Roasted Sweet Potatoes, Roasted Sweet Potatoes Recipe, Side Dish Recipe