Big Mac Tacos (Low Carb Smash Burger Tacos)
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Juicy smash-style beef, crispy edges, melty cheddar, and that unmistakable Big Mac flavor all packed into an easy, skillet-made taco that’s shockingly low carb.
If you are looking for the perfect quick and easy keto friendly tacos recipes , look no further.
These keto Big Mac tacos look indulgent, stacked high with lettuce, pickles, and creamy burger sauce, but they’re secretly macro-friendly and weeknight-easy.
I am a huge fan of smash burger. Now that im watching my macros, all the recipes I was finding were high calorie and not keto friendly.
These tacos target just that, real Big Mac flavor without blowing your carbs and giving you enough prot.
Why You Will Love This Recipe
- It tastes like a Big Mac but fits a keto and low-carb lifestyle
- High protein and filling without feeling heavy
- Crispy beef edges with a soft-but-toasted tortilla base
- Made in one pan in under 20 minutes
- Easy to customize for macros or dairy-free needs
- Perfect for meal prep and reheats surprisingly well
- Satisfies burger and taco cravings at the same time
These keto Big Mac tacos are naturally low carb when made with low-carb mini tortillas or wraps.
Each taco is high in protein, moderate in fat, and can easily be adjusted to hit your personal macros.
They’re great for meal prep, store well in the fridge, and the sauce can be made days in advance.
Ingredients You Need
Extra Lean Beef Mince
Lean beef keeps the tacos lower calorie and prevents excess grease from making the tortillas soggy. Do not use high-fat beef here—it will fry instead of crisp.
Seasonings (Salt, Pepper, Garlic Powder, Onion Powder, Smoked Paprika)
This simple blend gives classic burger flavor. Smoked paprika is important for depth; regular paprika works, but the flavor won’t be as bold.
White Onion (Diced)
Mixed into the beef for moisture and crunch. Yellow onion can work, but white onion gives the cleanest burger flavor.
Low-Carb Mini Tortillas or Wraps
This is critical. Use keto or low-carb tortillas that can handle high heat. Regular flour tortillas will raise the carb count significantly.
Cheddar Cheese Slices
Classic Big Mac flavor. Use real cheddar, not processed singles, for better melt and taste.
Lettuce, Onion, Pickles
Shredded iceberg works best for that authentic fast-food crunch.
Burger Sauce (Homemade or Store-Bought)
The homemade version keeps carbs lower. Regular store-bought sauce is fine, but always check labels.
Sauce Ingredients
Light or fat-free mayo keeps calories down, mustard adds tang, pickle juice and vinegar balance the richness, and relish brings that signature sweetness. Do not skip the pickle juice—it’s key.
Step-by-Step Directions
Season the Beef Add the beef mince to a bowl with salt, pepper, garlic powder, onion powder, and smoked paprika. Mix gently.
Add Onion and Form Balls Fold in half of the diced onion. Divide into four equal balls. Do not overwork the meat.
Press Onto Tortillas Press one beef ball evenly onto each tortilla, spreading it thin all the way to the edges. This step matters—thick beef will not crisp properly.
Cook Beef-Side Down Heat a nonstick skillet over high heat. Place tortillas beef-side down. Cook for about 60 seconds, pressing firmly.
Flip and Crisp Flip carefully. Let the tortilla side crisp and the beef finish cooking.
Add Cheese Place one slice of cheddar on each taco. Cover briefly to melt.
Assemble Remove from heat. Top with lettuce, remaining onion, pickles, and burger sauce.
Serve Immediately These are best hot while the beef edges are crisp.
Tips for Success
- Press the beef thinner than you think you need to. My first test batch was too thick and steamed instead of crisping.
- Use high heat. Medium heat won’t give you the smash-burger texture.
- Do not overcrowd the pan. Cook in batches if needed.
- Always flip carefully—use a wide spatula to keep the beef attached.
- If your tortillas are browning too fast, lower the heat slightly after flipping.
Frequently Asked Questions
Are Big Mac tacos keto?
Yes, when made with low-carb tortillas and keto-friendly sauce, these Big Mac tacos are keto and low carb.
How many net carbs per taco?
Net carbs depend on the tortillas used. With keto tortillas, each taco averages 4–6g net carbs.
Can I meal prep these?
Yes. Store cooked tacos without toppings for up to 3 days. Reheat in a skillet.
Can I freeze them?
The beef portion freezes well, but tortillas and toppings are best fresh.
Big Mac Tacos
Ingredients
Method
- Season beef and mix with onion.
- Form into four balls and press onto tortillas.
- Cook beef-side down on high heat for 1 minute.
- Flip, crisp tortilla side, and add cheese.
- Assemble with toppings and sauce.
Notes
- Use keto tortillas for low net carbs.
- Press beef thin for best texture.
- Sauce can be made 3 days ahead.
Nutrition (Per Taco)
Calories: ~185 Carbs: 13g Fiber: 6g Protein: 14g Fat: 7.5g Net Carbs: ~7gIf you love recipes like this and don’t want to lose them, make sure you save this one and join my email list for more tested, low-carb comfort food you can actually stick to.
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