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Mashed Sweet Potatoes with Caramelized Onions, Brie and Sage

I sure hope you had a wonderful Thanksgiving.  I did.  My family and I made the “pilgrimage” to Massachusetts (our Happy Place) for Thanksgiving week.  We took a chance on the weather, which was fabulous, and just decided to get away from our usual San Diego Thanksgiving.  It was the right thing to do.  We absolutely loved it.  I’m sharing a few of the details of our trip below, but I had a fabulous time baking and cooking in a kitchen that was not my own.  Here’s one of the recipes I created:  Mashed Sweet Potatoes with Caramelized Onions, Brie and Sage

As if sweet potatoes aren’t enough… like I said… I added CARAMELIZED ONIONS.  I could SWIM in caramelized onions.  And BRIE CHEESE.  It melts into those sweet potatoes like butter!!  And fresh sage, which I’m forever obsessed with.

This recipe began with a debate about sweet potatoes and yams.  The market where I bought these labeled them as yams.  But most of my internet friends convinced me that everything labeled as “yams” in the US is actually a sweet potato.  Whatever.  I decided to call them sweet potatoes.  Either way, they’re freakin’ awesome.

I peeled and boiled the sweet potatoes until they were tender.  While those were boiling away, I caramelized the onions and got the other ingredients ready to go.

Everything mashed together.  At this point, I wanted to take this bowl in the closet, eat every single bite, and then lick the bowl.  They were that good.  Big hit.  Clearly, I’m excited about these.  Let’s take a little break in the recipe, and I’ll share my New England Thanksgiving vacation.

We rented this cute little house in the South Shore of Boston.  It was across the street from the beach, so there was good walk-on-the-beach opportunity!  The second photo was the lovely view from my kitchen- overlooking the canal!

One of our favorite restaurants (Haddad’s in Brant Rock) was closing down its old restaurant in anticipation of opening their new restaurant.  We were there on the final day to help them celebrate.  They let everyone write messages on the walls and windows since the building will be demolished.

Had to eat a lobster roll, take walks on the beach to find massive amounts of sea glass, celebrate my husband’s birthday, and make some pies for Thanksgiving.  See that chocolate cream pie right there??!  I’m in love with that pie and will be sharing the recipe very soon!!

Everyone in my family gobbled up these mashed sweet potatoes alongside some roasted pork loin.  The brie lends a delicious flavor to the recipe (if you’re a fan of brie, you can definitely detect that it’s there), and the caramelized onions add sweetness.  I think the only thing missing is bacon.  These would make a wonderful side dish to some leftover turkey, especially if you’ve already consumed all of your mashed potatoes.  Enjoy!

Yield: 4 to 6 servings

Prep Time: 30 min

Cook Time: 45 min

Mashed Sweet Potatoes with Caramelized Onions, Brie and Sage


3 medium to medium-large (orange flesh) sweet potatoes, peeled
1 medium onion, peeled and sliced thinly
1 tablespoon olive oil
1/2 teaspoon granulated white sugar
1 Tablespoon salted butter
1/2 cup brie pieces (see tips below)
1/4 to 1/2 cup nonfat milk
1 tablespoon julienned fresh sage (see tips below)
salt and freshly ground pepper


1. Place potatoes in a large pot with boiling water. Boil 25 to 35 minutes, or until a fork can be pierced easily in the center of the largest potato. Move potatoes to a large bowl.

2. While the potatoes are cooking, prepare the caramelized onions. Heat the olive oil in a large skillet over medium-high heat. Add the onions and cook 15 to 20 minutes, stirring often, until they are browned and caramelized. Add the sugar in the final stages of cooking. Turn heat down to medium, as necessary.

3. Mash the hot potatoes with a potato masher until there are no visible lumps. Add the butter and brie and stir until melted and incorporated. Stir in 1/4 cup milk, adding more if the potatoes aren't thin enough for you. Then mix in caramelized onions and sage (save a little of each for garnish, if desired). Season to taste with salt and pepper.


*for the Brie- cut off the rind, and tear/cut chunks until it amounts to about 1/2 cup.
*to julienne the sage, stack several leaves on top of each other and slice into very thin slivers.
*This recipe may be prepared up to one day ahead and warmed up in the microwave.


Other delicious-looking Sweet Potato recipes on the blogs:
100 Ways to Cook a Sweet Potato by Endless Simmer
Easy, Roasted Sweet Potatoes with Onion, Apple & Orange by Farmgirl Fare
Sweet Potato Wedges by Leite’s Culinaria
Sweet Potato Chips by She Wears Many Hats
Pulled Pork Stuffed Sweet Potato by The Novice Chef

20 Responses to “Mashed Sweet Potatoes with Caramelized Onions, Brie and Sage”

  1. postedNov 23, 2012 10:04 AM

    Lori your Mashed Sweet Potatoes look and sound fabulous! I love sweet potatoes and with brie and sage – mmm! What a fun trip out East, too!

  2. postedNov 23, 2012 10:16 AM

    Yum, those sweet potatoes look fantastic (although up here in Canada we call them yams). Who cares though, I would have never thought to add brie and caramelized onions, I definitely need to try this out!

  3. postedNov 23, 2012 12:06 PM

    OMG that Lobster Roll looks crazy good!! Thanks for the yummy looking new twist on regular mashed sweet potatoes! I am totally trying this!

  4. postedNov 24, 2012 3:06 AM

    Yum! I just made a similar recipe this Thanksgiving! I love mashed sweet potatoes!!! Yours look scrumptious!! Have a great weekend!!

  5. postedNov 24, 2012 3:24 AM

    What a wonderful combination. That is definitely going on my to try list.

  6. postedNov 24, 2012 8:02 AM

    Gorgeous combo!

  7. postedNov 24, 2012 8:39 AM

    As if you didn’t have it before, you just won my heart with this dish – 4 of my favorite things EVER in one recipe? YES. PLEASE.

  8. postedNov 24, 2012 3:29 PM

    It looks as though you guys had a fantastic trip to MA. How fun, Lori! These sweet potatoes are something I’d love to eat every single day.

  9. postedNov 24, 2012 7:23 PM
    Lisa Cornely

    Great recipe. I had a few pounds of sweet potatoes left and decided to give this recipe a try. Wonderful creamy, and savory sweet potato dish.

  10. postedNov 25, 2012 4:49 PM

    Massachusetts seems like such a perfect place to spend Thanksgiving and it sounds like you had a great time. I love the idea of all these flavors together!

  11. postedNov 25, 2012 8:52 PM
    Linda | The Urban Mrs

    This is so fabulous and definitely deserves gold stars. I love the combination of everything you put there. How did you know all my favorites? 🙂

  12. postedNov 25, 2012 11:21 PM

    Oh, this sounds lovely!!
    & Glad to know you also had a wonderful Thanksgiving. 🙂

  13. postedNov 26, 2012 3:37 PM
    Gluten-free Gadabout

    Mashed sweet potatoes with caramelized onions, brie and sage – wow, what a fantastic item for a warming holiday delight. I love this kind of comfort food with a healthy basis. Would love to feature (with credit linking to you, of course) on gluten free blog. Thanks and keep up the good work.

    • postedNov 27, 2012 1:54 PM

      sure- using a photo with a link to my recipe and not reprinting the recipe itself would be appreciated. Thanks for asking!

  14. postedNov 29, 2012 7:21 PM

    I would take the bowl into the closet and eat the whole thing too 😉 I’m probably going to dream about these!

  15. postedNov 30, 2012 1:03 PM

    obsessed with this sweet potato dish. Anything with brie is the BEST

  16. postedMar 28, 2013 6:08 PM

    Just made these tonight and they were fabulous Lori!!! So yummy; can’t wait to see your cookbook.

  17. postedSep 5, 2013 1:56 PM

    I LOVE sweet potatoes but hate how most recipes make them uber sweet with marshmallows, etc. I made these today, and they taste fantastic!!!! I mean anything with brie is going to be great right!?! Thanks for the recipe!

  18. postedOct 31, 2013 3:20 PM
    Robert M

    I just made this dish tonight. It was yummy! Next time I would microwave the sweet potatoes. It would save time. I like this dish!

  19. postedFeb 9, 2018 6:44 AM

    OMG!! These were fantastic. I never would have thought of these flavors together but it is divine! Thanks for the recipe!

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