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Chicken strips marinating in a zesty lime and spice chicken fajita marinade
Chef Linda

Chicken Fajita Marinade

An easy, zesty chicken fajita marinade that makes the chicken juicy, tender, and packed with smoky Tex-Mex flavor. Built on a simple oil, lime, and spice formula — with a secret splash of soy sauce for umami depth.
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Prep Time 5 minutes
Cook Time 0 minutes
Marinating Time 2 hours
Total Time 2 hours 5 minutes
Servings: 6 servings
Course: Main Course, Marinade
Cuisine: Mexican, Tex-Mex
Calories: 240
Ingredients Equipment Method Notes

Ingredients
  

  • 1/3 cup olive oil
  • 1/4 cup lime juice about 2-3 limes; or lemon/orange juice
  • 1 tbsp soy sauce or Worcestershire sauce the secret umami ingredient
  • 3 cloves garlic minced
  • 1 tbsp chili powder
  • 2 tsp ground cumin
  • 1 tsp smoked paprika
  • 1 tsp salt
  • 1/2 tsp black pepper
  • 1/4 tsp cayenne pepper optional, for heat
  • 2 tbsp fresh cilantro chopped; optional
For Marinating
  • 1 1/2 lbs boneless skinless chicken breasts or thighs, sliced into strips

Equipment

  • Mixing Bowl or Whisk
  • Zip-Top Bag or Shallow Dish

Method
 

  1. In a bowl, whisk together the olive oil, lime juice, soy sauce, garlic, chili powder, cumin, smoked paprika, salt, pepper, cayenne, and cilantro until combined.
  2. Place the chicken in a zip-top bag or shallow dish and pour the marinade over, turning to coat every piece.
  3. Seal and refrigerate. Marinate 30 minutes minimum, 2 to 4 hours for the best flavor, or up to 8 hours (overnight) — but no longer, or the acid can soften the texture.
  4. Remove the chicken and discard the used marinade. Cook in a hot skillet, on a grill, or on a griddle until it reaches 165°F.
  5. Rest a couple of minutes, then serve in fajitas with peppers, onions, and tortillas.

Notes

The formula: fat (oil) + acid (citrus) + seasoning (spices) + aromatics (garlic, cilantro). Balance those four and it works every time.
Citrus options: lime is classic; orange juice adds sweeter depth; lemon juice or a splash of vinegar work if you have no lime.
Secret ingredient: a splash of soy sauce or Worcestershire adds savory umami depth without tasting out of place.
Timing: 2 to 4 hours is ideal; cap overnight at about 8 hours so the citrus doesn't make the chicken mushy.
Works on steak too: great on skirt or flank steak (which can marinate a bit longer).
Make-ahead: freeze the raw chicken and marinade together; it marinates as it thaws. Keeps up to 3 months. Always marinate in the fridge and discard used marinade.