Beef Fajita Lettuce Wraps {Keto}
Yield: 4 servings
Active Time: 15 minutes*
Prep Time: 15 minutes*
Cook Time: 15 minutes
Low-carb and grain-free fajitas! If preferred, use homemade taco seasoning (search for best recipe on And if you are eating keto, add an extra helping for avocado (yay for good fats!) Enjoy!

Ingredients for Single Meal

  • 1 1/2 - lb(s) flank steak
  • 3 - lime(s)
  • 1 - packet(s) taco seasoning
  • - Salt and pepper
  • 1 - green bell pepper(s)
  • 1 - red bell pepper(s)
  • 1 - small white onion(s)
  • 8 - large lettuce leaves**
  • Garnish: - shredded cheese**
  • Garnish: - guacamole**
  • Garnish: - gallon-size freezer baggie(s)**
  • Side: - quart-size freezer baggie(s)**
  • 1 - gallon-size freezer baggie(s)
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Cooking Directions for Single Meal

  1. Place the beef in a shallow dish and squeeze the juice from the limes over the beef and then season both sides with the taco seasoning. Add a little salt and pepper. *Let marinate for at least an hour, ideally overnight.
  2. Slice and toss together bell peppers and onion.
  3. In a large skillet, saute the flank steak with the marinade over medium high heat, flipping often, until cooked to your liking - about 6 to 8 minutes. Cooking time may vary depending on heat over the grill and thickness of the beef.
  4. Remove the flank steak from the skillet and then saute the veggies for 3 to 5 minutes, or until softened.
  5. Slice the flank steak across the grain into strips for your fajitas.
  6. Add sliced beef, grilled peppers and onions, and toppings to the lettuce leaves.
  7. Serve Beef Fajita Lettuce Wraps with desired toppings.

Freezeasy Meal Prep Directions

  1. Slice 2 white onions, 2 green and 2 red bell peppers. Mix together and then evenly divide into 2 quart size freezer baggies.

To each gallon-size plastic freezer baggie, add the following ingredients:

  • 1 1/2 lbs. skirt or flank steak
  • Juice from 3 limes
  • 1 packet taco seasoning
  • Salt and pepper
  • 1 quart size baggie with the onions and bell peppers

Remove as much air as possible and seal. Add label to baggie and freeze.

Freeze & Thaw Instructions

Put baggie in the freezer and freeze up to 6 months in fridge freezer or 12 months in a deep freezer. Remove the veggie pack from the baggie and thaw in the fridge. Thaw the flank steak in the fridge completely before sauteing with veggies, as directed. Slice and serve in lettuce wraps.

Special notes

To reduce carbs and sugars, check label on the taco seasoning packet. If need be, use the homemade taco seasoning recipe on

Dairy-Free Modifications

Recipe is dairy-free when you omit sour cream or cheese toppings.

Gluten-Free Modifications

Recipe is gluten-free when served with gluten-free sides.

Printable Label Recipe Title

Beef Fajita Lettuce Wraps

Printable Label Instructions

Thaw veggies in fridge. Thaw beef completely before sauteing. Grill veggies in skillet after the flank steak is cooked to your liking. Once cooked, assembly fajitas in lettuce wraps and add desired toppings.
Serve with sour cream, shredded cheese and guacamole.

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