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    Foody Schmoody Blog Recipes For Everyone » All Recipes

    Published: Apr 14, 2021 · Modified: Jun 1, 2021 by foodyschmoody ·

    French Onion Burger

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    This French Onion Burger is the ultimate comfort food burger with caramelized onions and super melty fontina cheese.

    This recipe was originally published in May 2016 and republished with new photos (recipe untouched) April 2021.

    This post is sponsored by Pepperidge Farm in conjunction with Blog Meets Brand and I have been compensated for my participation.  As ALWAYS, all opinions are my own. #PepperidgeFarm #FarmhouseHeartyBuns

    burger prepared with onions smothered on top with text reading french onion burger
    Jump to:
    • How To Make The Onions
    • Forming The Burger Patties
    • Cooking The Burger
    • Check Out The Video
    • Helpful Tools
    • Printable Recipe Card

    As an Amazon Associate I earn from qualifying purchases. For more information please visit my disclosure page

    I feel I must warn you before I begin.  This burger is not for the faint of heart.  It's big, very big, super beefy and it's piled high with delicious caramelized onions and lots of melty fontina cheese.  Oh, and it's awesome!

    Because this burger packs in so much, you will want to have to choose a bun that can hold all this deliciousness.  I thought this would be the perfect opportunity to try out the new Pepperidge Farm® Farmhouse Hearty Buns.I mean, the word hearty is right there in the name; seemed like a good fit.  Boy, was I right.  I love when I'm right.  Good thing I'm right most of the time.  

    Now on to what I put in this beast of a burger. 

    Related: 6 Must-Try Burger Recipes by Parade.com

    How To Make The Onions

    Prep the onions first. I wanted them not only to be caramelized but to boast the flavors of a French Onion Soup.  Slice the onions super thin.  You can do this either by hand or with a mandolin.  I heated up a pan with butter AND oil and added the onions in.  After they went through their caramelization process, I added some black pepper, Worcestershire sauce and beef broth and let them cook down a bit more, just to get all that good flavor infused the onions. 

    caramelized onions in pan

    Forming The Burger Patties

    While all that flavor is being incorporated into the onions I formed my patties.  I used plain old ground beef (85%), about 2 pounds. I seasoned it with the same seasonings I put into the onions; black pepper, Worcestershire and beef broth.  You want to form these bad boys big.  I was able to get 6 huge burgers out of this. 

    Make sure when you form your patties that you press your thumb in the center of the patty.  Placing a divot there will help prevent the burger from losing it's perfect shape while cooking.  If it's not shaped nice and flat on top, you'll have a hard time getting those toppings to stay put!

    burger patty with divot in center

    Cooking The Burger

    Grill your burgers to your liking.  I like mine a nice pink medium.  It took about 12 minutes to get these big boys cooked.  Be sure not to keep your flame up too high.  After I got good grill marks and the meat released a bit from the grates, I flipped them over, reduced the heat and covered the grill.  Once the burgers were looking good, I put my fontina cheese on top and closed the top again just until it was all beautiful and melty.  Oh man, I love fontina cheese.  It melts so perfectly.  If you haven't tried fontina yet, this is a great reason to do so.

    close up of prepared burger on a white plate with a bottle of beer in background

    Check Out The Video

    Helpful Tools

    Printable Recipe Card

    close up prepared burger on plate

    French Onion Burger

    foodyschmoody
    A beefy, satisfying burger smothered in caramelized jammy onions as a nod to French Onion soup.
    5 from 5 votes
    Print Recipe
    Prep Time 20 mins
    Cook Time 20 mins
    Total Time 40 mins
    Course dinner, lunch
    Cuisine American
    Servings 6

    Ingredients
      

    For Onions

    • 1 T olive oil
    • 1 T butter
    • 3 medium sized sweet onions sliced thinly
    • 1 teaspoon worcestershire sauce
    • 1 teaspoon salt
    • ½ teaspoon black pepper
    • ÂĽ C beef broth

    For Burgers

    • 2 lb ground beef 85%
    • 1 T Worcestershire sauce
    • 2 T beef broth
    • ½ teaspoon black pepper
    • 6 oz fontina cheese sliced
    • 6 hearty hamburger buns

    Instructions
     

    • Heat oil and butter in a saute pan over medium/high heat. Add onions once butter is melted. After 5 minutes, reduce heat to medium and give onions a stir. Continue to cook over medium heat, if onions seem to be leaning towards burning, turn down to medium/low. Stir occasionally but not too often. After about 1 minutes, season with salt, pepper and worcestershire sauce. Cook another 5-10 minutes until onions are soft and caramelized. Deglaze the pan with the beef broth and continue to cook until liquid is just about absorbed; approximately 5 more minutes. Set aside.
    • While onions are caramelizing, in a large bowl combine beef, worcestershire sauce, beef broth and black pepper. Shape into patties. You should get about 6 BIG patties. Be sure to press your thumb in the center of each patty, creating a divot, which will result in a more evenly rounded patty after cooking.
    • Heat grill to medium/high heat. Place burgers on preheated grill. Cook about 5-6 minutes until burger easily releases from grates. Flip over, reduce heat to medium to medium low, depending on how hot your grill cooks. Close cover and cook another 8-12 minutes or until desired doneness. Place cheese on each burger, close cover just until cheese melts, about 2 minutes.
    • Place buns, cut side down on grill to toast - about 3 minutes.
    • Create burger by placing cheeseburger on bun an top with caramelized onions.
    Keyword beef, burger, sandwich, summer
    Tried this recipe?Let us know how it was!

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    Reader Interactions

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    1. Anna @ Anna Can Do It! says

      May 17, 2016 at 11:05 am

      Wow! What an amazing, rich, juicy and HUGE burger is this! The caramelized onion looks divine and the burger so mouth-watering, I can't even tell! I'm literally droolin over your amazing recipe!I love the beef broth and the worcestershire sauce in the onions and the burgers! These are really hearty!- Love, Anna

      Reply
      • foodyschmoody says

        May 17, 2016 at 11:15 am

        Thanks so much Anna! I really appreciate your comments, I hope you will try it!

        Reply
    2. Brandy M says

      May 17, 2016 at 12:23 pm

      I am totally drooling over here! Unfortunately I am allergic to onions, I wish I wasn't before I knew what was wrong with me I ate them all the time and they were probably my favorite thing to add to my burgers my sandwich to anything. This looks so good I'm going to live vicariously through you LOL.

      Reply
      • foodyschmoody says

        May 17, 2016 at 12:49 pm

        Oh no! I'm so sorry to be tempting you with this then! We deal w/ a lot of food allergies in my house so I feel for you.

        Reply
    3. Neely (@Neelykins) says

      May 17, 2016 at 4:14 pm

      Oh goodness! We are having burgers otnight I may have to use this idea!

      Reply
      • foodyschmoody says

        May 17, 2016 at 4:43 pm

        you will not be disappointed!

        Reply
    4. Monica says

      May 17, 2016 at 4:15 pm

      Anything with caramelized onion rules in my book! We love burgers and French onion soup so this is sure to be a hit in our house>

      Reply
      • foodyschmoody says

        May 17, 2016 at 4:44 pm

        Thanks - I'm a huge fan of caramelized onions too!

        Reply
    5. Jeanine says

      May 17, 2016 at 4:16 pm

      I'm not a huge fan of onions but that looks AMAZING! I am the biggest burger freak so I'd love to try this, even if I'm not a huge onion fan!

      Reply
      • foodyschmoody says

        May 17, 2016 at 4:42 pm

        I'm not a fan of raw onions on sandwiches or burgers but these onions are treated right!

        Reply
    6. Patty Anderson says

      May 17, 2016 at 5:13 pm

      You may not believe this but I was crying to use beef broth in my recipe too! Your burger looks so so good!

      Reply
      • foodyschmoody says

        May 17, 2016 at 8:52 pm

        Thanks so much Patty. I do think the beef broth helped keep this big burger super juicy!

        Reply
    7. Scott says

      May 17, 2016 at 5:20 pm

      Oh my, grilled onions on hamburgers are my favorite! That photo totally made my mouth water!

      Reply
    8. Angela says

      May 17, 2016 at 7:53 pm

      Oh those onions look spectacular and the perfect topper for a juicy burger! YUM

      Reply
      • foodyschmoody says

        May 17, 2016 at 8:52 pm

        Thanks Angela!

        Reply
    9. Debra C. says

      May 17, 2016 at 10:36 pm

      Great burger goodness here - drooling!

      Reply
    10. Valerie Robinson says

      May 18, 2016 at 11:59 am

      This look so darn delicious!!! I need a burger right now!!!

      Reply
    11. RaShell @ Mommy's Apron says

      May 18, 2016 at 12:57 pm

      Those onions look amazing! You are making me very hungry. I am pinning this for later. Thank you for sharing. I'm glad I saw you over at #WednesdayRoundup. This is the first time I've been to your website.

      Reply
      • foodyschmoody says

        May 18, 2016 at 3:39 pm

        Oh wow, how great to connect! Thanks so much for pinning my burger and for popping over. I'll be sure to pop on over and check out MommysApron. 🙂

        Reply
    12. Camilla Hawkins says

      May 18, 2016 at 5:43 pm

      5 stars
      Oh my, I may have had dinner but this luscious burger has me salivating right now!

      Reply
    13. Tami says

      May 18, 2016 at 6:27 pm

      5 stars
      Oh, this reminds me of a burger we have at one of our local restaurants. They are kind of stingy with the onions, so this is sure to be tastier!

      Reply
      • foodyschmoody says

        May 18, 2016 at 6:51 pm

        Oh man, how dare they? lol. The onions are like the best part!

        Reply
    14. KC the Kitchen Chopper says

      May 18, 2016 at 6:58 pm

      You've outdone yourself with this burger. Fontina is a great tasting melting cheese. Perfect with those onions!

      Reply
      • foodyschmoody says

        May 18, 2016 at 9:03 pm

        Thanks KC. I loooooove Fontina and all it's melty goodness.

        Reply
    15. linda spiker says

      May 18, 2016 at 9:21 pm

      5 stars
      Love those caramelized onions! Pinned!

      Reply
    16. Joy @ Joy Love Food says

      May 19, 2016 at 9:14 am

      I love French onion soup, so this is my kind of burger, it looks divine! Great video too!

      Reply
    17. Michelle @ The Complete Savorist says

      May 22, 2016 at 6:19 pm

      French Onion Burger?! Genius! Everyone loves sauteed onions, this looks so amazing.

      Reply
    18. Healing Tomato says

      May 22, 2016 at 9:49 pm

      5 stars
      It is a very unique concept of making French onions work in a burger. This looks very creative, Christine.

      Reply
      • foodyschmoody says

        May 22, 2016 at 9:57 pm

        Thanks Rini, it was a hit!

        Reply
    19. Manju | Cooking Curries says

      May 23, 2016 at 2:05 am

      5 stars
      Such a juicy looking burger. Love the idea of french onions in it!

      Reply

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