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    Home / Recipes / Dinner / Keto Big Mac

    Keto Big Mac

    July 1, 2025 by Keto Cooking Christian Leave a Comment

    This post may contain affiliate links. As an Amazon Associate I earn from qualifying purchases, see Disclosure.
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    This Keto Big Mac Burger has everything you love about the fast-food original, only low carb, juicier, and packed with real flavor. With melty cheese, crisp lettuce, and plenty of sauce, this burger seriously outshines the drive-thru version.

    Keto Big Mac on white plate with sauce in back
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    Jump to:
    • ❤️ Why You'll Love This Keto Big Mac Recipe
    • 🛒 Ingredients for Homemade Big Mac
    • 🔪 How to Make Low Carb Big Mac
    • ☑️ Storage Instructions
    • 🍴 What to Serve with Big Mac Cheeseburger
    • 💡 Tips
    • 🔄 Substitutions and Additions
    • Why is it Called a Big Mac?
    • Why Do I Need Two Bottom Buns?
    • What’s The Best Way to Toast Keto Buns?
    • Can I Use Lettuce as the Middle Layer Instead of a Bun?
    • Why Does Mine Taste Slightly Different Than the Real Thing?
    • 🍽️ More Tasty Ground Beef Recipes

    ❤️ Why You'll Love This Keto Big Mac Recipe

    • That famous classic hamburger everyone loves
    • Made into a healthy low carb copycat version
    • Juicy beef, crisp lettuce, pickles and melted cheese
    • Serve on a Keto friendly fluffy bun
    • Hearty and satisfying
    overhead view of Keto Big Mac on white plate with sauce in back

    This low carb version of the classic Big Mac is just too good not to try. While there are a lot of low carb burger recipes out there, this one nails the same classic flavors you get from the golden arches! It’s saucy, cheesy, and stacked exactly like the real thing, only with better ingredients and a fluffy keto-friendly bun.

    You’ll get double, juicy beef patties, crisp shredded lettuce, pickles, cheese….it’s all here, right down to the Big Mac sauce and sesame seed bun. The only difference? You can enjoy every bite without falling off your low carb goals.

    closeup side view of Keto Big Mac on white plate

    Want the flavor but not the Keto bun? Be sure and try this fresh and flavorful Big Mac Cheeseburger Salad.

    🛒 Ingredients for Homemade Big Mac

    • Ground beef: I go with 85% grass-fed for the right balance of fat and flavor.
    • Keto Hamburger Bun: I use homemade but you can use your favorite brand.
    • Big Mac Sauce: This is non-negotiable. Make it ahead so the flavors pop.
    • Lettuce: Go with iceberg for that crisp crunch you expect.
    • Cheese: Optional, but it totally makes it.
    • Dill pickle slices: The tanginess add to that signature flavor.
    • Finely diced onions: Adds bite and rounds out the whole burger.
    • Salt: Just enough to bring out the flavor in the meat.
    • Ground black pepper: Balances the salt and gives the patties a little bite.
    • Sesame seeds: Optional but can be added with an egg wash for the authentic bun look

    *Exact measurements are listed in the recipe card below.

    🥣 Recommended Tools

    • Skillet
    • Mixing bowl
    • Air fryer

    🔪 How to Make Low Carb Big Mac

    Prepare the Big Mac Sauce and set it aside to allow the flavors to meld.  If you make the full recipe, you will have plenty of sauce leftover.  You can either reduce the recipe, or simply use the leftover sauce over a salad, casserole or as a dipping sauce.

    Big Mac Sauce being spooned out of glass bowl

    Season the ground beef with the salt and pepper, then divide into 2 equally sized pieces (1.5 ounces each).  Fry them in a skillet over medium heat until they are cooked to your liking.

    2 raw hamburger patties in skillet

    If you like sesame seeds on your bun that gives it a more authentic Big Mac look, you can brush some egg wash over the top bun and sprinkle the sesame seeds on top.  Pop it, along with the 2 bottom buns in the air fryer @ 325°F for 2-3 minutes.

    1 top hamburger bun and 2 bottom buns in air fryer basket

    Take one bottom bun and spoon a tablespoon over the top.

    bottom hamburger bun with big mac sauce on top

    Add half of the shredded lettuce.

    bottom hamburger bun with big mac sauce and lettuce on top

    Add the slice of cheddar cheese.

    bottom hamburger bun with sauce, lettuce and cheese

    Place one burger patty on top of the cheese, then add half the onions over the burger.

    hamburger patty with diced onions cheese and lettuce on bun bottom

    Add the second bun, more Big Mac Sauce, shredded lettuce and pickles on top. 

    4 pickles on top of lettuce and burger bun

    Then add the second burger patty and top with the remaining onions and the top bun.

    overhead view of Keto Big Mac on cutting board

    ☑️ Storage Instructions

    Fridge: You can store leftover patties, buns, and toppings separately in airtight containers for up to 3 days. The Big Mac sauce will keep in the fridge about 1 week.

    Freezer: Don’t freeze assembled burgers because the texture does not hold up well. But, you can freeze the cooked burger patties for up to 2 months. Wrap buns tightly and freeze for up to 1 month.

    🍴 What to Serve with Big Mac Cheeseburger

    This double cheeseburger goes great with any of these classic Keto burger sides.

    • Eggplant Fries
    • Keto Air Fryer Onion Rings
    • Halloumi Fries
    • Avocado Fries
    • Easy Homemade Pickles
    side view of Keto Big Mac on white plate with sauce in back

    💡 Tips

    • Make the sauce first so the flavors have time to meld while you cook the burgers.
    • Use 85% lean beef for juicy, flavorful patties that don’t dry out.
    • Smash the patties thin so they cook quickly and fit better in the layers.
    • Toast the bun in the air fryer so it holds up to the sauce without getting soggy.
    • Let the burger patties rest for 2–3 minutes after cooking so the juices stay inside.
    closeup of Keto Big Mac on white plate

    🔄 Substitutions and Additions

    • Veggies: Add sliced tomato or jalapeños if you want to switch it up.
    • Cheese: Swap cheddar for American or even pepper jack for some heat.
    • Beef: Try ground turkey or chicken if you’re looking to change up the protein.
    • Bunless: Make it a lettuce wrap if you’re skipping buns altogether.
    • Onions: Use grilled onions instead of raw for a milder flavor.
    • Buns: Make sliders using these Keto Dinner Rolls instead of full-size burgers.
    overhead view of Keto Big Mac on white plate with sauce in back

    Why is it Called a Big Mac?

    The name “Big Mac” was coined by an advertising secretary at McDonald’s in the 1960s. It stuck because it perfectly described the larger, layered burger that stood out from other fast-food burgers at the time.

    Why Do I Need Two Bottom Buns?

    That middle bun layer is what makes a Big Mac a Big Mac. It helps hold everything together and separates the patties, giving you those signature stacked bites.

    What’s The Best Way to Toast Keto Buns?

    The air fryer is your best friend here. A quick 2–3 minutes at 325°F crisps them up without drying them out.

    Can I Use Lettuce as the Middle Layer Instead of a Bun?

    Yes! If you're skipping the second bun, try using a crisp piece of lettuce to add structure and keep that layered feel.

    Why Does Mine Taste Slightly Different Than the Real Thing?

    Most fast-food versions use rehydrated onions, thinner patties, and different buns. While this version comes very close, it uses real ingredients, so it tastes cleaner and more flavorful…on purpose.

    closeup side view of Keto Big Mac on white plate

    🍽️ More Tasty Ground Beef Recipes

    • Italian Meatballs
    • Instant Pot Chili
    • Bacon Cheeseburger Casserole
    • Beef Stroganoff Casserole
    • Swedish Meatballs
    • Cheeseburger Salad
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    Keto Big Mac on white plate with sauce in back

    Keto Big Mac

    This Keto Big Mac Burger has everything you love about the fast-food original, only low carb, juicier, and packed with real flavor.
    No ratings yet
    Author: Julianne
    Servings 1
    Print Pin
    Save RecipeSaved!
    PREP 10 minutes mins
    COOK 8 minutes mins
    TOTAL 18 minutes mins

    Ingredients
     

    • 3 ounces ground beef, I used 85% grass-fed
    • 1 Keto Hamburger Bun, plus one bottom bun
    • 2 tablespoons Big Mac Sauce
    • ¼ cup thinly shredded iceberg lettuce
    • 1 slice cheddar cheese
    • 4 dill pickle slices
    • 2 teaspoons finely diced onions
    • ¼ teaspoon salt
    • ¼ teaspoon ground black pepper
    • Optional: sesame seeds and egg wash

    Instructions
     

    • Prepare the Big Mac Sauce and set it aside to allow the flavors to meld. If you make the full recipe, you will have plenty of sauce leftover. You can either reduce the recipe, or simply use the leftover sauce over a salad, casserole or as a dipping sauce.
    • Season the ground beef with the salt and pepper, then divide into 2 equally sized pieces (1.5 ounces each). Fry them in a skillet over medium heat until they are cooked to your liking.
    • If you like sesame seeds on your bun that gives it a more authentic Big Mac look, you can brush some egg wash over the top bun and sprinkle the sesame seeds on top. Pop it, along with the 2 bottom buns in the air fryer and air fryer @ 325°F for 2-3 minutes.
    • Take one bottom bun and spoon a tablespoon over the top. Add half of the shredded lettuce and the slice of cheddar cheese.
    • Place one burger patty on top of the cheese, then add half the onions over the burger.
    • Add the second bun, more Big Mac Sauce, shredded lettuce and pickles on top. Then add the second burger patty and top with the remaining onions and the top bun.

    *Make sure to scroll up and read the post for substitutions, additions and helpful tips for making this recipe.

    Course Main Course
    Cuisine American
    Calories 366kcal
    Nutrition Facts
    Keto Big Mac
    Amount per Serving
    Calories
    366
    % Daily Value*
    Fat
     
    34
    g
    52
    %
    Saturated Fat
     
    8
    g
    50
    %
    Carbohydrates
     
    6
    g
    2
    %
    Fiber
     
    1
    g
    4
    %
    Sugar
     
    3
    g
    3
    %
    Protein
     
    29
    g
    58
    %
    * Percent Daily Values are based on a 2000 calorie diet.

    *Nutritional data is provided as a courtesy and is accurate to the best of my knowledge. You can verify it using the nutrition calculator of your choice. All data is based on net carbs, without sugar alcohol: Swerve, Erythritol, Monk Fruit or Allulose.

    © Copyright for Keto Cooking Christian LLC. Please use the share buttons to share on social media, but please do not copy/paste the recipe.

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    Filed Under: Beef, Dinner, Posts, Recipes

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    Julianne Walser KCC

    I'm Julianne, welcome! I offer tasty and indulgent Keto and Low Carb recipes that will never leave you feeling deprived!

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