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High Protein Slow Cooker French Onion Soup (Gluten free, Whole 30)

Classic French Onion soup gets a healthy update in this slow cooker recipe that is Whole 30 approved, gluten free, impressively high protein and destined to become a meal prep staple! 

This week and a bit of last week have been a lot of gushy mushy lovey dovey… stuff, so today I offer an olive branch of one of my other slow cooker creations that I motored through in no time at all.

High Protein Slow Cooker French Onion Soup (Gluten Free, Whole30)

Classic French Onion soup gets a healthy update that is Whole 30 approved, gluten free, and impressively high protein. This high protein slow cooker French Onion Soup will become a staple in your meal prep! @suzlyfe http://suzlyfe.com/high-protein-slow-cooker-french-onion-soup-gluten-free-whole-30

Seriously, this soup is so freaking good, it doesn’t need the cheese or the bread (though, obviously, you can go that route if you so desire, but it won’t be Whole 30). I was legitimately sad when it was gone! And I may or may not have hidden a few servings of it from Alex. 

Classic French Onion soup gets a healthy update in this slow cooker recipe that is Whole 30 approved, gluten free, impressively high protein and destined to become a meal prep staple! @suzlyfe http://suzlyfe.com/high-protein-slow-cooker-french-onion-soup-gluten-free-whole-30/

As soon as I decided to put the slow cooker to work, I knew that I wanted to make French Onion Soup. It is in my top 3 favorite soups, and you bet I ordered it more than a few times while we were in Paris for our honeymoon. 

There is a bit of prep work with regards to chopping things, and for best results you do want to cook it in the slow cooker rather than a Crockpot in order to get a bit more color on the onions (you’ll understand when you see the directions). But really, all you need is 15 minutes to chop the ingredients and start the bad boy, and if you want to really get color on the onions, you’ll need to do one other step after it starts. Then this Whole 30 soup cooks away and you don’t have to think about it!

Classic French Onion soup gets a healthy update that is Whole 30 approved, gluten free, and impressively high protein. This slow cooker French Onion Soup will become a staple in your meal prep! @suzlyfe http://suzlyfe.com/high-protein-slow-cooker-french-onion-soup-gluten-free-whole-30

I love French Onion soup because of that incredible broth, but since I’m not good with cheese, I miss out on the only real protein source that you get with it. Thus, I decided to add some Collagen Peptides to it (because I’m already using beef broth, and I know how well those peptides disappear into whatever you are cooking!) for a protein punch that helps me create a more well-rounded meal. If you are doing Whole 30, serve it beside a sweet potato, or if you aren’t doing Whole30, GRAB THAT BAGUETTE (or your gluten free equivalent). 

Added bonus? This is dairy free, but if you don’t care about dairy, use grass fed butter for the browning. 

Another idea: use a mandolin to slice the onions. I did my onions by hand, and if I could go back, I would use the mandolin for a thinner slice. Just saying! Check out my other slow cooker creations!

YUM. French Onion Soup gets a #Whole30 high protein makeover! #glutenfree #recipes Click To Tweet

But any way that you slice onions it, you will love this. And it makes loads, so get ready to enjoy this slow cooker French Onion soup for days/weeks to come! And yes, it freezes perfectly!

High Protein Slow Cooker French Onion Soup (Gluten Free, Dairy Free)

From at

http://suzlyfe.com/wp-content/uploads/2017/01/Slow-cooker-French-onion-soup-suzlyfe-1.jpg
Prep: Cook: Yield: 8-10 1-cup servingsTotal:

Classic French Onion soup gets a healthy update that is Whole 30 approved, gluten free, and impressively high protein. This slow cooker French Onion Soup will become a staple in your meal prep!

You'll Need...

  • 3-5 Sweet Onions (depending on size) sliced thin
  • 3-4 garlic cloves, minced
  • 2 Tbsp non-dairy butter substitute
  • 1 Qt unsalted Beef Cooking Stock
  • 1 Qt unsalted Beef Broth
  • 2 Tbsp Balsamic Vinegar
  • 2 Tbsp GF Worchestershire Sauce
  • 1 Tbsp Liquid Aminos
  • Optional 8 oz dark Gluten Free Beer
  • 2 Tsp dried Thyme (or 2 Tbsp fresh)
  • 2 Tsp Brown Sugar
  • 1/2-3/4 cup collagen peptides
  • 1 tsp each salt and cracked black pepper

Directions

  1. Slice onions thin and add everything but the stock and broth (and fresh herbs if using fresh) to slow cooker and cook on high for 1-2 hrs, stirring half way. If using large pot, cook covered over medium heat for 1-2 hours or until onions caramelize, stirring every so often (make sure the bottom onions don't burn).
  2. Add remaining ingredients and stir, recover and cook on low 5-7 hours. (Same idea in large soup pot)
  3. If possible, let sit overnight for best flavor, then serve with non-dairy cheese and crusty gluten free bread!

This weekend, Alex and I are heading to Madison, Wisconsin for the night (I wish we could reprise our trip from 2 summers ago!) for a fancy formal party with his cousins! I will likely wear exactly what I wore to Cara’s wedding, lol. It is the only formalwear I have at the moment! Luckily, it is a gorgeous dress, and I know (?) that it fits!

Catch up on the posts from this week!

What are you looking forward to this weekend? Who has Monday off?

 Linking up with Foodie Friday (Farrah, Annmarie, Esther) and Food and Fitness Sunday (Ilka and Angela).

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44 Comments

  • Reply Sarah

    Gotta love the slow cooker and soups. I can’t wait until it is too warm to think about either of those! Looks delicious though.
    Sarah recently posted…Lead Heavy Legs and Race TrainingMy Profile

    February 17, 2017 at 6:06 am
    • Reply suzlyfe

      Gotta get on it now!

      February 17, 2017 at 8:36 am
  • Reply ACKTIVE LIFE

    YUM! I love onion soup and I love my slow cooker…Thanks for sharing this yummy recipe and have a great weekend!

    February 17, 2017 at 6:21 am
    • Reply suzlyfe

      I hope you have a great weekend as well!

      February 17, 2017 at 8:35 am
  • Reply jennifer

    Like how impressively high protein? from the collegen? This is one of my favorite soups, but I rarely make it as a “meal” cause normal recipe not enough protein
    jennifer recently posted…Wondering What Type of Race You Should Run?My Profile

    February 17, 2017 at 6:24 am
    • Reply suzlyfe

      Depends on how much collagen peptides you add!

      February 17, 2017 at 8:34 am
  • Reply Heather @ Polyglot Jot

    This looks yummy!! I love french onion soup in the Winter!
    Heather @ Polyglot Jot recently posted…Foodie Friday: Wild Rice SaladMy Profile

    February 17, 2017 at 7:08 am
    • Reply suzlyfe

      I’m obsessed. Actually obsessed

      February 17, 2017 at 8:34 am
  • Reply Julie @ Running in a Skirt

    What a great idea! I was scratching my head at how you made it high protein but now I see!!! 🙂 Great recipe!
    Julie @ Running in a Skirt recently posted…Creamy Cauliflower Mac & CheeseMy Profile

    February 17, 2017 at 7:11 am
    • Reply suzlyfe

      I’m tricky like that 😀

      February 17, 2017 at 8:33 am
  • Reply Laura @ This Runner's Recipes

    Have fun in Madison! We went there about a year and a half ago and it is such a fun town. As you know, we’re off to Bend this weekend with a stop in Portland tonight. So excited to have Monday off! This soup looks delish!
    Laura @ This Runner’s Recipes recently posted…Friday ThriveMy Profile

    February 17, 2017 at 7:11 am
    • Reply suzlyfe

      I love Madison. And I totally want to go to Bend and Portland. Have fun, us!

      February 17, 2017 at 8:33 am
  • Reply Jamie

    Oooohhh I’m making this plus bread for dipping! Have fun jet-setting this weekend (do people say that anymore? am I an old lady?)
    Jamie recently posted…Roll with It…Adaptive LivingMy Profile

    February 17, 2017 at 7:13 am
    • Reply suzlyfe

      Well, we are just driving. But I’ll jet set all day long!

      February 17, 2017 at 8:32 am
  • Reply Debbie @ Coach Debbie Runs

    I have always loved French onion soup, though it’s obviously not vegetarian. Your recipe sounds really delicious though, and the collagen is a brilliant way to add protein.
    Debbie @ Coach Debbie Runs recently posted…5 Things I’m Crazy About Right NowMy Profile

    February 17, 2017 at 7:21 am
    • Reply suzlyfe

      We need to find a vegan protein that disappears that easily for you!

      February 17, 2017 at 8:32 am
  • Reply Deborah @ Confessions of a mother runner

    We do love French Onion soup around here and my meat eaters would love your version. May have to give it a go for them.
    Deborah @ Confessions of a mother runner recently posted…A few of my favorite things-making my own Skirt BoxMy Profile

    February 17, 2017 at 8:09 am
    • Reply suzlyfe

      I’m working on a vegan/veggie version for everyone else!

      February 17, 2017 at 8:24 am
  • Reply Linda @ Veganosity

    I love French Onion soup. Obviously I don’t use beef broth, but I’ve nailed a good vegan broth. This looks so good!
    Linda @ Veganosity recently posted…10 Vegan Soup Recipes to Get You Through the Rest of the Winter and a Weekly Meal PlanMy Profile

    February 17, 2017 at 8:15 am
    • Reply suzlyfe

      I bet you have the best vegan broth EVER

      February 17, 2017 at 8:23 am
  • Reply Gretchen

    Probably a stupid question, but what’s the difference between stock and broth? My whole life I’ve been using the term interchangeably not knowing they were two different things!
    Gretchen recently posted…Top Five Friday #85My Profile

    February 17, 2017 at 8:20 am
    • Reply suzlyfe

      Stock is made from bones, broth is made from meat. So stock has a bit of a fuller flavor.

      February 17, 2017 at 8:23 am
  • Reply lindsay Cotter

    did you know i lived in france and that soup was like my every day lunch? GAH! It’s gonna be even more epic with slow cooker perfection. Bring on the baguette… GF . haha yes!

    February 17, 2017 at 8:29 am
    • Reply suzlyfe

      That sounds like my dream. How long were you in France?

      February 17, 2017 at 8:47 am
  • Reply Patricia @Sweet and Strong

    I’m so excited for a three day weekend. And French onion soup is something I like ordering out, but have never tried making at home!
    Patricia @Sweet and Strong recently posted…Healthy Grocery Store Favorites to Add to your ListMy Profile

    February 17, 2017 at 8:58 am
    • Reply suzlyfe

      It’s really really easy!

      February 17, 2017 at 9:07 am
  • Reply Emily

    Umm…. wow, this looks so so delicious Susie. <3
    Emily recently posted…Saying ‘No’ to the Food Police! (Podcast #4) – Nicole’s StoryMy Profile

    February 17, 2017 at 9:36 am
  • Reply Kimberly G

    I love that this is made in the slow cooker, and high protein!
    Kimberly G recently posted…5 Winter Running RantsMy Profile

    February 17, 2017 at 9:43 am
  • Reply Kelli @ Hungry Hobby

    This looks so good, okay truthfully I hate soup because I’m weird but I would totally make this for my mom, her favorite is french onion! Have fun this weekend!
    Kelli @ Hungry Hobby recently posted…Friday Fitness & Favorites #3My Profile

    February 17, 2017 at 9:53 am
  • Reply Liz @ I Heart Vegetables

    This might sound crazy but I’ve actually NEVER had french onion soup! Isn’t that crazy? I need to get out my slow cooker and give it a try!
    Liz @ I Heart Vegetables recently posted…5 Ingredients to Add to Your Next SmoothieMy Profile

    February 17, 2017 at 10:07 am
  • Reply Nicole @ Fitful Focus

    I love the addition of the collagen. I want to try this!
    Nicole @ Fitful Focus recently posted…Goals For Disney Princess WeekendMy Profile

    February 17, 2017 at 11:57 am
  • Reply Cora

    This sounds sooo flavourful. I haven’t had French onion soup in years but know I used to LOVE it. I don’t own collagen unfortunately – so I may need to add that cheese back.
    Cora recently posted…Questions for Bloggers and ReadersMy Profile

    February 17, 2017 at 2:22 pm
  • Reply Lauren

    I LOVE french onion soup. Totally going to try this version and eat with some cheesy bread.

    February 17, 2017 at 4:21 pm
  • Reply Annmarie

    Oh girl, this looks GOOD.
    Annmarie recently posted…5 Ways to Make Sweet Potatoes That Aren’t FriesMy Profile

    February 17, 2017 at 4:51 pm
  • Reply Coco

    I love French onion soup, but don’t love the calories from all the cheese – this is a great variation.

    February 17, 2017 at 5:06 pm
  • Reply Lisa @ Mile by Mile

    I’ve never made French onion soup but this looks really good! Have a great weekend!
    Lisa @ Mile by Mile recently posted…Cardio and Strength Interval WorkoutMy Profile

    February 17, 2017 at 6:01 pm
  • Reply Wendy@Taking the Long Way Home

    This looks absolutely delish!
    Wendy@Taking the Long Way Home recently posted…Book Review: My Marathon: Reflections on a Gold Medal Life by Frank ShorterMy Profile

    February 17, 2017 at 7:13 pm
  • Reply abbey sharp

    Huge fan on French onion soup, this looks amazing!!
    abbey sharp recently posted…Does the Birth Control Pill Cause Weight Gain? | “The Pill” Best & Worst OptionsMy Profile

    February 17, 2017 at 9:12 pm
  • Reply Kerri Mcgrail

    Have fun in Madison! I am looking forward to the warm weather and soaking up the sun during my long run + watching the marquette game with friends on Saturday!
    Kerri Mcgrail recently posted…Eggplant Meatless Balls & Red Lentil PastaMy Profile

    February 17, 2017 at 9:45 pm
  • Reply dixya @food, pleasure, and health

    french onion is my fav soup too but i never make it at home. i will definitely have to try your version soon. sounds so comforting and delicious.
    dixya @food, pleasure, and health recently posted…Virtual Coffee DateMy Profile

    February 18, 2017 at 8:02 am
  • Reply Kristy from Southern In Law

    I’ve never had french onion soup before but this looks SO GOOD!

    I hope you have an awesome trip!
    Kristy from Southern In Law recently posted…Recent Things: Piggy Puns, Massage Fails and Creepy StatuesMy Profile

    February 18, 2017 at 2:24 pm
  • Reply Carmy

    I LOOOOVE the scent of french onion soup but I am indifferent to the taste. I might make this just so it smells nice in the kitchen haha
    Carmy recently posted…Eating in Hamilton: A Food Tour w/tripcentralMy Profile

    February 18, 2017 at 7:09 pm
  • Reply Farrah

    I’ve never tried making French onion soup but this looks awesome! My friend is trying to do the Whole30 right now so I’m gonna have to send this her way too! :]

    February 18, 2017 at 9:54 pm
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