This gluten-free Brussels Sprouts & Cauliflower Quinoa Gratin is a nutritious and delicious way to add some veggies to your holiday table! Balsamic roasted brussels sprouts and cauliflower are coated in a light gruyere and parmesan cheese sauce, topped with a layer of crispy quinoa, and baked to perfection.
Hi, hello, how are you?! Long time no talk. Sorry for going MIA over the past few weeks, but between school, traveling back and forth to NY, and – ya know – life in general, the whole blog thing took a backseat.
But apparently the world kept spinning while I was gone because suddenly it’s mid-November and Thanksgiving is next week! NEXT WEEK. How did this happen?? (This is not a rhetorical question – I legitimately want to know.)

Anyways, I’m slightly freaking out because…
a) it’s almost Thanksgiving and
b) it’s almost Thanksgiving!!!
Okay, what I mean by that is…
a) it’s almost Thanksgiving and I love Thanksgiving
b) it’s almost Thanksgiving, which means it’s almost December and December means winter and winter means cold and cold and I don’t do well together.
You follow?
[tweetthis twitter_handles=”@ByteSized_RD” hidden_urls=”http://wp.me/p7Dm26-io” remove_url=”true”]Make vegetables the star of #Thanksgiving with this Brussels Sprouts & Cauliflower Quinoa Gratin[/tweetthis]
For me, Thanksgiving is all about the side dishes. Sure, turkey may get all the praise, but let’s be real… it’s all about the sweet potato casserole, vegetables, and stuffing (OH, THE STUFFING). I seriously look forward to my mom’s stuffing 364 days of the year.. not exaggerating.
Growing up, our Thanksgiving table always consisted of a slew of traditional family staples, as well as a few new or rotating dishes. Since there are some recipes I just won’t mess with (see above), the experimentation portion has always been reserved for the vegetables and dessert. And since I’ve already got dessert covered this for year (hello, Apple Crisp Cheesecake Bars), it’s time to tackle those vegetables.

For the past several years, brussels sprouts have remained the common denominator of all of our Thanksgiving vegetable dishes. There’s just something about those crispy, caramelized little cabbages that makes them the perfect addition to your holiday table. Typically I just roast them up alongside some other vegetables and call it a day – but not this year.
This year, I decided to mix things up a little and turn these brussels sprouts into a gratin. But not just any gratin.. a QUINOA gratin.

Traditionally speaking, a gratin (or au gratin) is casserole-like dish topped with a lightly browned crust consisting of breadcrumbs or melted cheese. Though most gratins are built on a foundation of vegetables, the majority of these traditional dishes tend to be high in calories and fat thanks to a combination of heavy cream, butter and cheese.
[tweetthis twitter_handles=”@ByteSized_RD” hidden_urls=”http://wp.me/p7Dm26-io” remove_url=”true”]Brussels Sprouts & Cauliflower Quinoa Gratin – an easy, healthy, and crowd pleasing side dish! [/tweetthis]
Well, not anymore. Today I’m changing the gratin game with this Brussels Sprouts & Cauliflower Quinoa Gratin. Made with a light cheese sauce, It is just as creamy and delicious as those high-fat varieties, but so much more nutritious. Oh and did I mention that the crust is made of quinoa that has been cooked and then toasted to crispy perfection? SO. GOOD.
I hope this dish finds its way onto your table this holiday season. And in the off chance that you happen to be one of those super organized people who already has their entire Thanksgiving meal planned, then you can totally have this for a different meal.
Just promise me you’ll make it, mkay?

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This looks awesome!! Talk about a totally different and unique recipe idea. I love that it’s gluten free too!
Thank you so much Rebecca!
Brussel sprouts are always a staple at our Thanksgiving now too. I love the idea of turning it into a gratin though!
Thanks, Emily! It was my first time using them in a gratin and now I’m not sure why I waited so long!
YES!! Need this in my life and not just at Thanksgiving!
Thanks, Kaleigh! It’s definitely the perfect dish for any time of year 🙂
Oh my, this looks fabulous!!
Thank you so much!
Wow! This looks fabulous! Going to pin and save this one for Christmas dinner I think.
Thanks so much, Mikki. This would make a wonderful side dish for Christmas dinner!
We typically make the traditional side dishes for Thanksgiving too but it would be nice to mix it up every once in a while. I’d have to test this one out on my family. 🙂 Thanks for this unique recipe.
Thanks for reading, Chrissy! And sometimes you just need to mix things up a little – after all, variety is the spice of life 😉
This looks AWESOME! Need to make ASAP
Thanks so much, Abbey. Enjoy!!