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Sweet Potato Gratin with Goat Cheese, Parmesan, and Thyme (Video)

If you like savory sweet potato recipes like I do, this Sweet Potato Gratin with Goat Cheese, Parmesan, and Thyme is perfect for Thanksgiving, and this recipe is low-glycemic, meatless, gluten-free, and South Beach Diet friendly. Use the Diet-Type Index to find more recipes like this one.

Click here to PIN this tasty Sweet Potato Gratin!

Watch the video to see if you might like to make Sweet Potato Gratin with Goat Cheese, Parmesan, and Thyme!

Sweet Potato Gratin with Goat Cheese, Parmesan, and Thyme found on KalynsKitchen.com

It’s time to start narrowing down your Thanksgiving menu, right? For people who are keeping it as low-carb as possible, I’ve given you 25+ Low-Carb and Gluten-Free Holiday Side Dishes, Appetizers and Salads as well as The BEST Low-Carb and Gluten-Free Thanksgiving Side Dishes, so if sweet potatoes are too high in carbs for you, go check those out! But I love Savory Sweet Potatoes and for a special holiday meal I wouldn’t pass up a small serving of this Sweet Potato Gratin with Goat Cheese, Parmesan, and Thyme. When I tested this recipe twice, (once with Jake and once with Kara), we absolutely could not stop eating these creamy sweet potatoes!  And if I had to pick my one favorite sweet potato recipe on the blog, it would have to be this one!

Sweet Potato Gratin is a holiday treat, so it’s a little more indulgent than the usual things you find on this blog. I love the combination of cheese and cream (or half and half) that gives such creamy flavor here, but the recipe also has a lot of healthy low-glycemic sweet potatoes. And it’s also gluten-free for anyone who needs that!

And just a note about recipe formats. When I introduced you to the new-and-improved Kalyn’s Kitchen I mentioned how recipes had to be edited by hand to switch them to the new recipe format like you see in this recipe. I am spending a lot of time doing that, but I can tell it will be months (maybe years) before I’ll have all the 2,000+ recipes on the site switched over. I’m bringing it up because I’m getting comments and e-mails saying “I don’t see a print button.” For older recipes there’s still just a printer-friendly link after the recipes that takes you to a printable page with only the recipe. Then you use the regular print function on your computer to print the recipe (File/Print or Control/Print on most computers.) Thanks for your patience!

Sweet Potato Gratin with Goat Cheese, Parmesan, and Thyme found on KalynsKitchen.com

Try to find long thin orange-fleshed sweet potatoes for this recipe (also called yams in many U.S. stores.)  Peel the sweet potatoes and cut in thin slices, about 1/4 inch thick.  Layer the slices in a glass baking dish and season well with salt and pepper.  (I used an oval 4-quart baking dish, but as you can see from the photos any 3-Quart Baking Dish would have been big enough, so don’t worry if that’s the size you have.)

Sweet Potato Gratin with Goat Cheese, Parmesan, and Thyme found on KalynsKitchen.com

Whisk together the softened goat cheese, thyme, and half and half.  Spread half the goat cheese mixture over the sweet potatoes.  Top that with half the Parmesan.  Make another layer of seasoned sweet potatoes, goat cheese mixture, and Parmesan.

Sweet Potato Gratin with Goat Cheese, Parmesan, and Thyme found on KalynsKitchen.com

Bake covered with foil in a pre-heated 375F/190C oven.  Then remove foil and bake 20-30 minutes more, or until the top is nicely browned and sweet potatoes are soft when you stick a fork in.  And the bottom right photo is the iPhone pic of my leftovers that I shared on Instagram and started people asking for this recipe!

Sweet Potato Gratin with Goat Cheese, Parmesan, and Thyme found on KalynsKitchen.com

More Tasty Savory Sweet Potatoes to Enjoy:
Roasted Sweet Potatoes and Red Onions with Feta ~ Kalyn’s Kitchen
The Best Instant Pot Sweet Potatoes Recipes ~ Slow Cooker or Pressure Cooker
Sweet Potatoes with Blue Cheese And Bacon ~ Family Fresh Cooking
Twice-Baked Sweet Potatoes with Feta and Sumac~ Kalyn’s Kitchen
The Top Ten Recipes for Slow Cooker Sweet Potatoes ~ Slow Cooker or Pressure Cooker

Sweet Potato Gratin with Goat Cheese, Parmesan, and Thyme


  • 3 pounds orange-fleshed sweet potatoes 
  • salt and fresh-ground black pepper to taste
  • 8-10 oz. log soft goat cheese
  • 1 cup half and half or cream
  • 2 tsp. dried thyme
  • 1 1/2 cups coarsely grated Parmesan


  1. Preheat oven to 375F/190C.  Take goat cheese out of the fridge and let it soften at room temperature.  Spray a 3-4 quart glass casserole with with non-stick spray or olive oil.  (I used an oval 4-quart baking dish, but any 3-Quart Baking Dish would have been big enough.)
  2. Peel the sweet potatoes and cut into slices about 1/4 inch thick.  (Don’t make them too thick or they will take longer to cook.)
  3. Put the softened goat cheese in a small bowl, add the half and half and the thyme, and whisk together until it’s smooth.  (You can put the package of goat cheese in the microwave and heat in 10 second intervals until it’s soft to make this easier to mix.)
  4. Layer half the sweet potatoes in the baking dish and season well with salt and fresh-ground black pepper.  Spread half the goat cheese mixture over the sweet potatoes and sprinkle on half the grated Parmesan.  Make another layer each of sweet potatoes seasoned with salt and pepper, goat cheese mixture, and Parmesan.
  5. Cover the dish tightly with foil and bake 1 hour (or until the sweet potatoes are quite soft when you stick a fork in them.)  Remove foil and bake 20-30 minutes more, until the sweet potatoes are very soft and the top is nicely browned. Serve hot.
  6. This will stay good in the fridge for several days and may have reheated a little too well, if you know what I mean.  (I haven’t tried it, but I’m guessing the dish could be assembled in advance, refrigerated, then allowed to come to room temperature when it comes out of the fridge and baked later in the day, or possibly even the next day. If anyone tries that, please let us know how it works.)

Recipe created by Kalyn with recipe testing help from both Kara and Jake.

All images and text ©
Sweet Potato Gratin with Goat Cheese, Parmesan, and Thyme found on KalynsKitchen.com

Low-Carb Diet / Low-Glycemic Diet / South Beach Diet Suggestions:
Sweet potatoes are probably too high in carbs to make this suitable for strictly low-carb eating plans. And admittedly this is kind of a rich dish for the South Beach Diet, but sweet potatoes are a healthy low-glycemic ingredient choice for South Beach, and I’d eat this for Phase 2 or 3 for a Thanksgiving indulgence, or for an occasional treat.

Find More Recipes Like This One:
Use the Recipes by Diet Type photo index pages to find more recipes suitable for a specific eating plan. You might also like to Follow Kalyn’s Kitchen on Pinterest to see all the good recipes I’m sharing there.

Nutritional Information?
If you want nutritional information for a recipe, I recommend entering the recipe into Calorie Count, which will calculate it for you. Or if you’re a member of Yummly, you can use the Yum button on my site to save the recipe and see the nutritional information there.

Sweet Potato Gratin with Goat Cheese, Parmesan, and Thyme found on KalynsKitchen.com

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36 comments on “Sweet Potato Gratin with Goat Cheese, Parmesan, and Thyme (Video)”

  1. Love the combination of sweet potatoes and cheeses! I'm not hosting Thanksgiving this year, but if someone asks me to bring a side dish, I'll make this one.

  2. Is it no longer possible to save messages to a recipe box on your site? Did I lose all my saved ones?

    • I wrote a reply to you right away, but now I don't know why I don't see it here. Hope you were not worried. The recipes are still there; you can access them from the Recipe Box link in the right sidebar.

      Ziplist is closing down the recipe box feature (not me!) You should have received an e-mail at the e-mail address you signed up with explaining how to move your recipes. They will be available until December 10. You can read the message from Ziplist at that link if it's not in your e-mail.

      I have only heard from two people about this (counting you) so I don't know if I will post about it, but here's a post from my friend Lydia with some more suggestions.

      Hope that helps. I am sad that they shut down, but I can't do anything about it.

  3. I bet this is so good! These flavors are perfection!

  4. Looks fantastic! Will give it a try and report back:-) Thanks.

  5. I really wasn't sure what to make for Thanksgiving this year…I was thinking sweet potato casserole and I love how this is savory instead of sweet! Definitely a contender.

  6. I'd love to see a few gluten free and dairy free recipes. It's hard to find good recipes for Thanksgiving that don't involve either one.

  7. This was so amazing! Thanks for letting me have some. I ate the leftovers for dinner and they were amazing!

  8. I've always preferred savory sweet potatoes (they ARE a vegetable) but I never thought about goat cheese – I love goat cheese…. I'm doing this one soon (but not Thanksgiving)

  9. I have made this a few times now. It is always a surprise hit at parties, because people are not expecting the savory flavors. I usually make 1/2 recipe, which works well in an 8×8 glass dish. Thanks for the great recipes, Kalyn.

  10. Alice, great idea to make it in an 8X8 dish for a smaller crowd. So glad you and your guests have enjoyed it!

  11. Has anyone tried substituting buttermilk for half and half? If so, how was it, and did you use the same amount?

  12. Tyler I haven't tried it but I am guessing that if you like the tanginess of buttermilk it would be great in this. I'd use the same amount. I'd love to hear how it works if you try it.

  13. Can you make this ahead of time?

    • As I said in the recipe, I haven't tried assembling in advance and cooking later, but I'm guessing it would work. You could also probably cook partially and then heat when you serve it, but I haven't tried that either so I can only guess that it would work. I'm guessing that because it's really good reheated, but if you try it I'd love to hear how it works. And if you have the option of cooking right before you eat it, that's probably going to give the best results.

  14. Made this last night for Easter. It was freaking FANTASTIC!! Thanks for all you do here.

  15. My wife made this just now. Taste good. But I think she put too much cheese in it.

  16. Do you think it would be good with Feta cheese instead of Goat? I usually prefer feta to goat.

  17. This sounds absolutely wonderful. And I’d probably veer away from my purple potatoes and purple sweet potatoes to make this (I can tell you that purple mashed potatoes are weird, even though they taste good). I’m not doing a fancy TG dinner, but am definitely saving this recipe.

  18. For some reason, my family doesn’t love sweet potatoes, so I’m always looking for new ways to cook them that just might appeal to my picky eaters. I’m adding this recipe to my list!

  19. I have made this several times, and I always prepare the dish a day ahead. I bring it to room temperature the following day, pop it in the oven and it comes out great. It has become a Thanksgiving staple. Everyone loves it.

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