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Everything French Onion Burgers Recipe

French onion everything burger grass fed and finished beef on bun

A mouthwatering mashup of Everything bagel seasoning, gooey, flavorful caramelized onions, and melty Swiss cheese (think French onion soup in burger form), these dreamy 6oz US Wellness Meats 85% lean beef burgers are so juicy and absolutely delicious. This is the burger you need to make this summer.

Everything French Onion Burgers

By: Sarah Meuser | Foodallergymoms_andmore |

Prep: 10-15 min
Cook: 20-25 min
Serves: 2

US Wellness Meats Shopping List: Unsalted Grass-fed Butter, Raw Honey, Beef Stock, 85% Lean Beef Burger Patties, Raw Swiss Cheese


  • 2 Tbsp Unsalted Butter, Or use dairy-free butter to accommodate dairy allergy
  • 2 whole Yellow Onions, Peeled and sliced into rounds between 1/8-to-1/4-inch thick
  • 1/2 tsp Kosher Salt
  • 2 1/2 tsp Everything Bagel Seasoning, Divided use
  • 1 Tbsp Honey
  • 3/4 cup Beef stock
  • 12 oz US Wellness Meats Beef Burger Patties (85% Lean), 2 (6oz each) beef patties; thawed
  • 2 Tbsp Mayonnaise. Can use egg-free mayonnaise to accommodate egg-allergy
  • 1 Tbsp Green Onion (Scallion), Sliced
  • 4 pieces Swiss Cheese, 4 slices; can substitute dairy-free Swiss cheese to accommodate dairy allergy
  • 4 pieces Butter Lettuce, 4 butter lettuce leaves
  • 2 whole Hamburger Buns, I used Maui onion rolls, split


  1. Melt butter In a large nonstick skillet over medium heat.
  2. Add onions to skillet, stirring occasionally for 5 minutes. Stir in salt and 2 Tsp Everything bagel seasoning.
  3. Next, stir in honey until combined. Add beef stock, stirring occasionally, until stock onions have absorbed beef stock and are golden brown and caramelized about 20 minutes.
  4. Remove the caramelized onions to a bowl; cover with aluminum foil to keep warm (*Use this same skillet to toast the buns over medium heat while the burgers have 2-3 minutes of cooking time left*).
  5. Meanwhile, place a nonstick grill pan over medium heat. Add 2 burger patties to the hot grill pan. Cook 5-6 minutes before turning the burgers; continue cooking for an additional 3-5 minutes or until desired doneness. During the last 1-2 minutes of cooking, top each patty with 2 slices of Swiss cheese. Add 1 Tbsp water to the bottom of the grill pan, then quickly cover with a lid for 20-30 seconds (this creates steam to quickly melt the cheese).
  6. Combine mayonnaise, remaining 1/2 Tsp Everything bagel seasoning, and green onions in a small bowl.
  7. To assemble the burgers, divide the mayonnaise mixture and spread it over each toasted bottom bun. Top each bun with 2 butter lettuce leaves. Place the cheese-covered burger on top of the lettuce. Divide the caramelized onions and place them atop each burger. Close with the toasted top buns. Serve immediately.

Chef Notes: Burgers can also be made on a gas grill. Preheat the grill to 450 degrees. Grill burger patties on a well-oiled grill rack, turning once, until desired doneness (about 4-5 minutes per side). Add cheese during the last minute of grilling.  Burger buns can be toasted directly on the grill rack during the last 30-60 seconds of grilling. Caramelized onions can be made up to 2 days in advance, stored in the refrigerator, and then quickly warmed in a skillet before topping burgers. To make gluten-free, substitute your choice of gluten-free burger buns. Nut-free. Egg-free option. Dairy-free option.

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Talk about a home run recipe that is perfect for so many occasions! We also love the idea of using our Beef Sliders – 6 (3oz) patties and a package of Hawaiian rolls for a slider version of this recipe. We encourage you to make this recipe your own, but whatever way you make it, just make it. You will not be disappointed. For this, and more delicious recipes from our USWM Featured Chefs, pop on over to our Discover Blog today!


Meet Sarah Meuser, the USWM June 2024 Featured Chef and an award-winning home cook. She’s a mom of two boys, one with food allergies. Sarah enjoys creating allergy-friendly recipes for her son and focuses on healthier, indulgent dishes with unique twists. She emphasizes the importance of texture, flavor, and color in her cooking. Sarah first learned about grass-fed meats while working at a fine dining restaurant in college. As a mom to a child with serious food allergies, Sarah often raises awareness about the dangers of food allergies and emphasizes the importance of proper handwashing, and the necessity of epinephrine as the only effective treatment for anaphylaxis. Help us thank Sarah for her participation and be sure to follow Sarah for more! IG | FoodSocial