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Chili-Lime Sweet Potato Gratin with Goat Cheese

4.85 from 13 votes

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A lightened-up sweet potato casserole with big flavor — sliced rounds of sweet potato seasoned with fresh lime and spices, topped with cheese and pumpkin seeds.

Chili-Lime Sweet Potato Gratin with Goat Cheese

Alongside other indulgent side dishes that pop up around the holidays, there’s always room for a healthy sweet potato casserole.

I’m glad to share this simple sweet potato recipe that you’ll find really craveable, but not overly sweet-tasting.

A savory sweet potato gratin is a great way to get the most out of this root vegetable’s natural sweetness, and it’s not only something to enjoy on Thanksgiving.

Make this to serve as a nourishing, tasty side dish when sweet potatoes are in season, all fall and winter long

Chili Lime Sweet Potato Gratin

This savory gratin that not only looks like a showstopper on the table, but has loads of flavor without the addition of excess sugar, butter or cream.

Traditional recipes for baked sweet potatoes aren’t necessarily unhealthy but, wow!

They often have so much sugar you could actually eat them as a dessert and call it a day.

My recipe is definitely lighter than my grandma’s baked brown-sugar-topped sweet potatoes (which will always have a place in my heart).

Chili Lime Sweet Potato Gratin

There’s no cream or butter to weigh it down — an invitation to load the plate with more sides, which is especially appealing on the Thanksgiving table when there’s lots of other dishes to choose from.

Instead, the seasonings in this gratin include bold chili spices, fresh lime, olive oil and just a touch of maple syrup.

Keeping it simple which leaves room to appreciate the taste of sweet potatoes as the star ingredient.

Spices with warm, bold overtones enhance the mellow nature of sweet potatoes, and the topping I use here — a blend of Parmesan, tangy soft goat cheese and crunchy pumpkin seeds — plays off both elements.

I tend to gravitate toward bolder seasonings when I make quick everyday meals with sweet potatoes, like a family-favorite Smoky Sweet Potato Black Bean Chili.

Chili-Lime Sweet Potato Gratin with Goat Cheese

The sweet potatoes in this recipe are sliced thin, so that after baking their texture is tender while the outside edges turn golden and slightly crisp — it’s such a great contrast!

To make slicing the potatoes an easier task, I recommend using a basic mandoline. Do you have one in your kitchen? 

I use my favorite mandoline almost daily to make precise cuts when preparing vegetables.

It comes with three interchangeable blades so you can make thin or wide julienne shapes as well as plain slices, making it a breeze to slice fennel into a tasty salad or shave Brussels sprouts for a quick slaw with grapes and walnuts.

I’ve had the same one for years, and although the frame is lightweight plastic, it’s very durable, and the blades are still super sharp and going strong.

Chili-Lime Sweet Potato Gratin with Goat Cheese

Chili-Lime Sweet Potato Gratin with Goat Cheese

Karen Tedesco
For a lighter, modern twist on sweet potato casserole, layers of thin sweet potato slices are baked with bold spices, fresh lime and topped with a blend of cheeses and pumpkin seeds.This savory sweet potato gratin is tasty and beautiful on any holiday table or serve anytime as a healthy side dish.
Print Pin
4.85 from 13 votes
Prep Time 20 mins
Cook Time 55 mins
Total Time 1 hr 15 mins
Course Vegetables
Cuisine Vegetarian
Servings 6 servings

Ingredients

  • 1/4 cup (60 ml) extra-virgin olive oil
  • 2 tablespoons maple syrup
  • 1 tablespoon fresh lime juice
  • 1 garlic clove, grated on a microplane or finely chopped
  • 2 teaspoons smoked paprika
  • 1 teaspoon ground cumin
  • 1 teaspoon dried oregano
  • 1 1/2 teaspoons kosher salt
  • 1/2 teaspoon crushed red chili
  • 2 1/2 pounds (1225 g) sweet potatoes, scrubbed
  • Freshly ground black pepper
  • 1/3 cup freshly grated Parmesan cheese
  • 2 ounces (50 g) soft goat cheese
  • 2 tablespoons chopped fresh cilantro or parsley
  • 2 tablespoons chopped green pumpkin seeds

Instructions 

  • Preheat the oven to 400 degrees.
  • In a large bowl, whisk together the olive oil, maple syrup, lime juice, garlic, paprika, cumin, oregano, salt and chili.
  • Peel the potatoes if you like — I often just scrape off any bruised sections, leaving most of the skin on. Slice the potatoes into 1/8-inch thick rounds, using a mandoline, or use a very sharp knife and great knife skills 🙂
  • Toss the sweet potatoes in the bowl to coat with the spiced oil. Arrange the potatoes upright in a 2-quart baking dish with the edges face-up, pouring the liquid from the bowl over all. Grind black pepper over the top to taste.
  • Bake 45 minutes. Sprinkle the cheeses evenly over the top and return to the oven for 10 more minutes, until the cheese is softened and melting.
  • Sprinkle the cilantro and pumpkin seeds over the top. Serve warm or at room temperature.

Notes

  • Choose an oval 2-quart or 8-inch square baking dish so that the sweet potato slices will fit snugly.
  • To make the gratin ahead, bake 45 minutes then cool, cover and refrigerate or freeze. When ready to serve, top with the cheese and bake an additional 15 minutes until heated through and cheese is melted.

Nutrition

Serving: 1g | Calories: 396kcal | Carbohydrates: 46g | Protein: 12g | Fat: 19g | Saturated Fat: 5g | Polyunsaturated Fat: 11g | Cholesterol: 26mg | Fiber: 6g | Sugar: 16g
Did you make this recipe? Mention @Familystylefood or tag #familystylefood on Instagram!!

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Chili-Lime Sweet Potato Gratin with Goat Cheese: Light and healthy sweet potato casserole with big flavors!

Hey, I’m Karen

Creator of Familystyle Food

I’m a food obsessed super-taster and professionally trained cook ALL about making cooking fun and doable, with easy to follow tested recipes and incredibly tasty food! Read more about me here.

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5 Comments

  1. Parmesan cheese is not vegetarian.

    1. Technically, authentic Parmesan cheese produced in Italy – Parmigiano Reggiano – is produced using an enzyme from calf rennet, which strict vegetarians will want to avoid. Other cheeses like Gruyere, Manchego, Pecorino Romano, Camembert, and Boucheron also contain rennet. If this is a concern, I highly recommend checking the label of any cheese you buy to see what type of rennet is used to coagulate the cheese. Not all dairy-based Parmesan cheese has calf rennet as many brands in the U.S. and elsewhere use vegetable rennet instead. Thanks Helen for bringing up this topic!

  2. i fell in love with this image, the moment I pinned it! this looks so delicious. I love sweet potato and unfortunately, we do not get the orange ones, but I am totally trying this recipe with the white sweet potatoes. looks so so good!!!

  3. 5 stars
    This recipe simple and must taste amazing. I’m for sure going to share it with the family.