Why You’ll Love This Recipe

This meatloaf combines the deep, sweet flavor of caramelized onions with the savory richness of ground beef and gooey cheese, all without the carb-heavy breadcrumbs typically found in meatloaf recipes. It’s easy to prepare, packed with flavor, and perfect for meal prepping or a cozy dinner.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

  • Ground beef (80/20 blend recommended)

  • Yellow onion (thinly sliced)

  • Garlic (minced)

  • Eggs

  • Almond flour (as a low-carb binder)

  • Beef broth or French onion soup broth (low-carb version)

  • Worcestershire sauce

  • Dijon mustard

  • Salt and pepper

  • Shredded Swiss or Gruyère cheese

  • Butter or olive oil (for caramelizing onions)

  • Fresh thyme or dried thyme (optional)

Directions

  1. Preheat your oven to 350°F (175°C).

  2. In a skillet, heat butter or olive oil over medium heat. Add sliced onions and cook slowly, stirring occasionally, until deep golden brown and caramelized (about 20-25 minutes). Add minced garlic during the last few minutes. Remove from heat and let cool slightly.

  3. In a large mixing bowl, combine ground beef, eggs, almond flour, caramelized onions (reserve a few tablespoons for topping), beef broth, Worcestershire sauce, Dijon mustard, salt, pepper, and thyme if using. Mix gently until just combined.

  4. Shape the mixture into a loaf and place it in a greased loaf pan or on a baking sheet lined with parchment paper.

  5. Spread the reserved caramelized onions evenly on top of the meatloaf. Sprinkle shredded Swiss or Gruyère cheese over the onions.

  6. Bake for 50-60 minutes, or until the internal temperature reaches 160°F (71°C).

  7. Let the meatloaf rest for 10 minutes before slicing and serving.

Servings and Timing

  • Servings: 6

  • Prep Time: 15 minutes

  • Cook Time: 50-60 minutes

Variations

  • Use ground turkey or chicken for a lighter option.

  • Swap Swiss cheese for mozzarella or cheddar if preferred.

  • Add fresh herbs like rosemary or parsley for extra aroma.

  • Top with a low-carb onion gravy for an even richer flavor.

Storage/Reheating

Store leftover meatloaf in an airtight container in the refrigerator for up to 4 days. Reheat slices gently in the microwave or oven to preserve moisture. Meatloaf also freezes well—wrap tightly and freeze for up to 3 months. Thaw overnight in the refrigerator before reheating.

FAQs

Can I use other types of ground meat?

Yes, ground turkey, chicken,  can be used, but cooking times may vary slightly.

How do I make sure the meatloaf stays moist?

Avoid overmixing and include broth or sauce to keep the mixture tender.

Can I prepare this meatloaf in advance?

Yes, you can assemble it ahead and refrigerate before baking.

Is this recipe gluten-free?

Yes, it contains no gluten ingredients.

How do I caramelize onions properly?

Cook onions slowly over medium-low heat, stirring occasionally until golden and soft, about 20-25 minutes.

Can I skip the cheese topping?

Yes, but the cheese adds great flavor and richness.

How do I store leftover meatloaf?

Keep in an airtight container in the fridge for up to 4 days.

Can I freeze the cooked meatloaf?

Yes, wrap tightly and freeze for up to 3 months.

What sides pair well with this meatloaf?

Roasted vegetables, mashed cauliflower, or a fresh green salad are excellent keto-friendly options.

Conclusion

Keto French Onion Meatloaf is a delicious and hearty meal that brings the cozy flavors of French onion soup into a low-carb, keto-friendly dish. With tender beef, sweet caramelized onions, and melted cheese, it’s a perfect option for satisfying comfort food while staying on track with your dietary goals. Easy to make and full of flavor, this meatloaf will quickly become a keto kitchen staple.


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Keto French Onion Meatloaf

Keto French Onion Meatloaf

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  • Author: Alice
  • Prep Time: 15 minutes
  • Cook Time: 60-65 minutes
  • Total Time: 1 hour 15 minutes
  • Yield: Servings: 6
  • Category: Dinner
  • Method: Baking
  • Cuisine: American
  • Diet: Gluten Free

Description

Keto French Onion Meatloaf is a savory, low-carb take on the classic meatloaf inspired by rich French onion soup flavors. Featuring caramelized onions, ground beef, and melted Swiss or Gruyère cheese, this comforting keto-friendly dish is perfect for meal prep or cozy dinners without the carbs.


Ingredients

  • Ground beef (80/20 blend recommended)

  • Yellow onion (thinly sliced)

  • Garlic (minced)

  • Eggs

  • Almond flour (low-carb binder)

  • Beef broth or low-carb French onion soup broth

  • Worcestershire sauce

  • Dijon mustard

  • Salt and pepper

  • Shredded Swiss or Gruyère cheese

  • Butter or olive oil (for caramelizing onions)

  • Fresh or dried thyme (optional)

Instructions

  1. Preheat oven to 350°F (175°C).

  2. Heat butter or oil in a skillet over medium heat. Add onions and cook slowly, stirring occasionally, until caramelized (20-25 minutes). Add garlic last few minutes, then remove from heat and cool slightly.

  3. In a large bowl, combine ground beef, eggs, almond flour, caramelized onions (reserve a few tablespoons for topping), broth, Worcestershire sauce, Dijon mustard, salt, pepper, and thyme. Mix gently until just combined.

  4. Shape mixture into a loaf and place in greased loaf pan or parchment-lined baking sheet.

  5. Spread reserved caramelized onions on top, then sprinkle shredded cheese evenly over onions.

  6. Bake 50-60 minutes until internal temperature reaches 160°F (71°C).

  7. Let rest 10 minutes before slicing and serving.


Notes

Use ground turkey or chicken for a lighter version.Substitute Swiss cheese with mozzarella or cheddar.Add fresh herbs like rosemary or parsley for added aroma.Serve with low-carb onion gravy for extra richness.

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