Steak Tacos with Argentino Sauce | Grilled Steak Taco Recipe

Name: Steak Tacos with Argentino Sauce
Prep time: 30 min
Cook time: 20 min
Total time: 50 min
Yield: 12 Tacos
Cuisine: Mexican
Ingredients: 2 tbsp olive oil; ⅛ cup chopped shallot; ¼ cup Kewpie mayo; ¼ cup sour cream; 2 tbsp white vinegar; 2 tsp Dijon mustard; 1½ tsp Steak Argentino seasoning; 1 jalapeño, roughly chopped (seeded for less heat); 1 cup fresh cilantro, chopped; 1 cup fresh parsley, chopped; Juice and zest of ½ lime; 1–2 tbsp water, if needed for consistency; 1½ lb flat iron steak; ¼ cup olive oil; Juice of ½ lime; Juice of ½ lemon; Juice of ½ orange; 1–1½ tbsp Steak Argentino seasoning; ½ cup fresh cilantro, chopped

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If you are looking for the ultimate grilled steak taco recipe packed with bold flavor and restaurant-style freshness, these Steak Tacos with Argentino Sauce deliver tender grilled beef, vibrant herbs, citrus marinade, and a creamy sauce that takes taco night to the next level. This steak taco recipe combines juicy flat iron steak, fresh cilantro, parsley, jalapeño, citrus juices, and Steak Argentino seasoning for a balanced taco recipe with rich flavor and incredible texture.

One of the reasons this grilled steak taco recipe stands out is the flavorful citrus marinade. Lime, lemon, and orange juice help tenderize the steak while Steak Argentino seasoning adds roasted garlic, toasted onion, coriander, caraway, and pepper for bold savory flavor. Grilling the steak over medium-high heat creates a delicious char and caramelization while keeping the inside juicy and tender. Slicing the steak thinly against the grain ensures every bite stays tender and easy to enjoy in tacos.

The creamy Argentino sauce adds another layer of flavor with cilantro, parsley, jalapeño, Kewpie mayo, sour cream, Dijon mustard, and lime zest. This herb-packed sauce delivers freshness, richness, and acidity that pair perfectly with grilled steak tacos. The balance of smoky grilled beef and bright herb sauce gives these tacos a modern restaurant-style flavor profile.

These steak tacos are perfect for taco night, backyard grilling, family dinners, game day gatherings, or casual entertaining. Optional toppings like pickled red onions, avocado slices, queso fresco, fresh cilantro, and lime wedges help customize the tacos while adding texture, creaminess, and brightness.

Whether you are searching for the best steak taco recipe, an easy grilled steak taco recipe, or flavorful steak tacos with a creamy herb sauce, this recipe delivers juicy steak, bold seasoning, fresh herbs, and restaurant-quality flavor with simple ingredients and easy grilling techniques.

Steak Tacos with Argentino Sauce

By Chef Kayla Robison

These grilled steak tacos combine tender flat iron steak, a citrus steak taco marinade, and a creamy herb-packed Argentino sauce for a bold and flavorful steak taco recipe perfect for taco night, grilling season, or casual entertaining. Steak Argentino seasoning enhances the grilled steak tacos with roasted garlic, toasted onion, coriander, caraway, and pepper while lime, lemon, orange juice, cilantro, parsley, and jalapeño create a balanced combination of freshness, acidity, and savory flavor. The steak tacos are finished with a creamy green sauce and optional toppings like pickled red onions, avocado slices, queso fresco, and fresh cilantro for restaurant-style texture and flavor. Whether you are searching for the best steak taco recipe, easy grilled steak tacos, or flavorful steak tacos with a creamy herb sauce, this recipe delivers juicy steak, vibrant toppings, and bold grilled flavor with simple ingredients and easy cooking techniques.

Prep: 30 minutes
Cook: 20 minutes
Total: 50 min
Servings: 12 Tacos
Calories: 585

Ingredients

Argentino Sauce
2 tbsp olive oil
⅛ cup chopped shallot
¼ cup Kewpie mayo
¼ cup sour cream
2 tbsp white vinegar
2 tsp Dijon mustard
1½ tsp Steak Argentino seasoning
1 jalapeño, roughly chopped (seeded for less heat)
1 cup fresh cilantro, chopped
1 cup fresh parsley, chopped
Juice and zest of ½ lime
1–2 tbsp water, if needed for consistency
Steak Marinade
1½ lb flat iron steak
¼ cup olive oil
Juice of ½ lime
Juice of ½ lemon
Juice of ½ orange
1–1½ tbsp Steak Argentino seasoning
½ cup fresh cilantro, chopped

Directions

Argentino Sauce
In a blender or food processor, combine olive oil, shallot, mayo, sour cream, vinegar, Dijon mustard, Steak Argentino seasoning, jalapeño, cilantro, parsley, lime juice, and lime zest.
Blend until smooth and creamy.
If needed, add 1–2 tablespoons water to thin the sauce slightly.
Taste and adjust seasoning if desired.
Refrigerate until ready to serve.
Steak Marinade and Tacos
In a bowl, combine olive oil, lime juice, lemon juice, orange juice, Steak Argentino seasoning, and cilantro.
Place steak in a resealable bag or shallow dish and pour marinade over the steak.
Marinate in the refrigerator for 2–6 hours.
Preheat grill to medium-high to high heat.
Remove steak from marinade and allow excess marinade to drip off.
Grill steak for about 4–5 minutes per side for medium-rare, depending on thickness.
Use a thermometer and remove steak around 130–135°F for medium-rare.
Transfer steak to a cutting board and rest for 5–10 minutes.
Slice steak thinly against the grain.
Warm tortillas on the grill or in a skillet until soft and lightly charred.
Fill tortillas with sliced steak and drizzle with Argentino sauce.
Top with optional toppings like pickled red onions, avocado slices, queso fresco, fresh cilantro, and lime wedges if desired.
Serve immediately.