Keto Big Mac Sauce

Have you been dreaming of that creamy, tangy, oh-so-magical Big Mac sauce but want to stick to your keto lifestyle? Great news! I'm bringing you the perfect copycat recipe for the iconic McDonald’s Big Mac sauce—but with a low-carb twist. And trust me, it’s so good, even Ronald would approve.

This Keto Big Mac Sauce isn’t just for juicy burgers (although it works wonders there). It's not only incredibly easy but also packed with all the classic flavors you know and love.

It’s creamy, zesty, and perfectly balanced, making it the ultimate sauce to drizzle it on a Big Mac burger salad, scoop a dollop of sauce over a Big Mac casserole, or use it as a dip for a batch of homemade jicama fries!

Whether you’re throwing together a quick weeknight dinner or hosting a keto-friendly cookout, this Big Mac-inspired sauce is your secret weapon.

Why You’ll Love This Keto Big Mac Sauce

Still need convincing? Here’s why this recipe is a must-try for your next burger night (or anytime, really):

• Totally Keto-Friendly: Each serving (2 tablespoons) is super low in carbs thanks to sugar-free substitutes.
• Zero Complicated Ingredients: You probably already have most of these ingredients in your kitchen.
• 5-Minute Prep: Seriously, that’s it. If you can stir, you can master this recipe.
• Versatile as Heck: Whether you’re slathering burgers, dipping chicken tenders, or jazzing up some roasted veggies, this sauce is your new MVP.

Ingredients For McDonald's Big Mac Sauce

Time to get to it (or just grab your spoon). Here’s how to whip up this game-changing sauce in no time!

Ingredients:

• Mayo
• Dill Pickle Relish
• Yellow Mustard
• Sugar-Free Ketchup
• White Vinegar
• Smoked Paprika
• Onion Powder
• Garlic Salt

My Tips For The Best Copycat Big Mac Sauce

• Swap the Relish

Can’t find sugar-free relish? No worries! Finely chopped dill pickles make an excellent substitute. Plus, you can adjust the texture to your liking this way.

• Make It Spicy

Fancy a bit of heat? Throw in a dash of cayenne pepper or some minced jalapeños. Your taste buds will thank you.

• Go Beyond Burgers

This sauce isn’t just perfect for keto burgers—it’s made for them. But why stop there? Use it as a dressing for a low-carb cheeseburger salad, my keto bacon cheeseburger casserole, a dip for zucchini fries, or even a tasty sauce for grilled chicken.

Frequently Asked Questions

Is McDonald’s Big Mac sauce low carb?

Unfortunately, no. The original Big Mac sauce contains sugar and other high-carb ingredients that are not suitable for a low-carb or keto lifestyle. That's why I made this sauce recipe.

Is this low-carb Big Mac sauce recipe gluten-free?

Yes, this recipe is gluten-free!

How long will this Big Mac sauce last in the fridge?

Stored in an airtight container, this sauce will last for up to 1 week in the fridge.

Can I double the recipe?

Absolutely! This recipe doubles (or even triples) easily. Perfect if you’re hosting a keto barbecue or just want to have extra on hand.

What’s the carb count per serving?

This keto Big Mac Sauce keeps the carbs super low, thanks to sugar-free ketchup and relish. Depending on specific brands, it should remain at 1–2 net grams per serving (2 tablespoons).

Love This Keto Big Mac Sauce? Try These Recipes!

I have a couple of low-carb sauce recipes to add to burgers, meats and pastas. These are some of my favorites:

• Chimichurri Sauce is made with the freshest ingredients, like chopped parsley, garlic, olive oil, and spicy chili pepper.
• Jalapeno Popper Dip is creamy and spicy with a crispy bacon topping.
• This Whipped Ricotta Dip recipe is made with creamy ricotta cheese, Greek yogurt, and fresh lemon juice.
• Caramelized Onion Dip is made with rich caramelized onions, protein-packed Greek yogurt, and mild cream cheese.
• Green Goddess Dip is a creamy dip with herbs, making it a healthier option for dipping veggies.

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