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Chimichurri Steak with Sweet Potato Mash

Chimichurri Steak with Sweet Potato Mash is a vibrant dish, combining juicy steak with a zesty chimichurri sauce and creamy sweet potato mash.

Min-Jae Park - Head Chef
By Min-Jae Park
4.7 (210 reviews)
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Delicious Chimichurri Steak with Sweet Potato Mash - homemade Argentine comfort food recipe
Chimichurri Steak with Sweet Potato Mash - Ready to enjoy

Chimichurri Steak with Sweet Potato Mash is a delightful fusion of bold flavors and comforting textures. This dish features a perfectly seared steak topped with a vibrant chimichurri sauce, offering a tangy and herby kick. Paired with creamy sweet potato mash, it creates a harmonious balance of flavors that is both satisfying and exciting. As a chef, discovering this dish was like finding a hidden gem, where each bite tells a story of culinary passion and innovation.

Why I Love This Recipe

This dish hails from the vibrant culinary traditions of Argentina, where chimichurri is a staple accompaniment to grilled meats. The technique of making chimichurri involves finely chopping fresh herbs, garlic, and chili, then blending them with olive oil and vinegar to create a sauce that is both refreshing and robust. I remember the first time I tasted this combination; it was during a culinary journey through South America. The explosion of flavors and the contrast between the rich, juicy steak and the creamy sweet potato mash left an indelible impression. As a professional chef, I find the balance of textures and the simplicity of preparation truly fascinating.

Step-by-step preparation of Chimichurri Steak with Sweet Potato Mash showing ingredients and initial cooking steps
Preparing the ingredients
Close-up of Chimichurri Steak with Sweet Potato Mash showing texture, layers, and glossy finish
Close-up of the dish

What You Need From Your Kitchen

Cast Iron Skillet

Essential for achieving a perfect sear on the steak, locking in juices and flavor

Chef's Knife

Crucial for finely chopping herbs and garlic for the chimichurri sauce

Potato Masher

Needed to achieve the creamy texture of the sweet potato mash

Mixing Bowl

Ideal for combining the chimichurri ingredients evenly

Tongs

Useful for flipping the steak without piercing it, ensuring it remains juicy.

Perfect Pairings

Malbec Wine

The bold, fruity notes complement the rich flavors of the steak

Grilled Asparagus

Its earthy taste pairs well with the tangy chimichurri

Roasted Red Peppers

Their sweetness enhances the savory elements of the dish

Dinner Party

This dish is a showstopper, perfect for impressing guests

Weeknight Dinner

Despite its elegance, it's simple enough for a cozy family meal.

Perfectly cooked Chimichurri Steak with Sweet Potato Mash served and ready to eat - final result
The perfect finished result

Pro Tips

  • Let the steak rest for at least 5 minutes after cooking. This allows the juices to redistribute, ensuring a succulent and tender bite.
  • Use a mortar and pestle to make the chimichurri. Crushing the herbs releases their essential oils, enhancing the sauce's vibrant flavor.
  • Roast the sweet potatoes instead of boiling them. This intensifies their natural sweetness and adds a subtle caramelized note to the mash.
  • Sear the steak on high heat to develop a rich crust. This Maillard reaction adds depth and complexity to the meat's flavor profile.

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Chimichurri Steak with Sweet Potato Mash

Experience the bold flavors of Chimichurri Steak with Sweet Potato Mash, where the fresh, herby chimichurri elevates the succulent steak, perfectly complemented by the silky texture of sweet potato mash.

Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Category: Main Dishes
Servings: 4 yields
Difficulty: Medium
Cuisine: Argentine

Ingredients

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  • 2 ribeye steaks, 1-inch thick
  • 2 tablespoons extra-virgin olive oil
  • 1 teaspoon sea salt
  • 1/2 teaspoon black pepper
  • 2 cups sweet potatoes, peeled and cubed
  • 1/4 cup whole milk
  • 2 tablespoons unsalted butter
  • 1/4 cup fresh parsley, finely chopped
  • 3 cloves garlic, minced
  • 1/4 cup red wine vinegar
  • 1/2 teaspoon red pepper flakes
  • 1/4 cup fresh cilantro, chopped

Instructions

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  1. 1
    Prepare the Chimichurri
    Combine parsley, cilantro, garlic, red wine vinegar, olive oil, and red pepper flakes in a bowl. Stir well and let it sit for flavors to meld.
  2. 2
    Season the Steak
    Rub steaks with olive oil, salt, and pepper. Allow them to rest at room temperature for 15 minutes to ensure even cooking.
  3. 3
    Cook the Steak
    Heat a skillet over medium-high heat. Sear steaks for 3-4 minutes on each side for medium-rare. Let rest before slicing.
  4. 4
    Boil the Sweet Potatoes
    In a pot of salted water, boil sweet potatoes until tender. Drain and return to the pot.
  5. 5
    Mash the Sweet Potatoes
    Add butter and milk to sweet potatoes. Mash until smooth and creamy, adjusting seasoning with salt.
  6. 6
    Plate and Serve
    Slice steak and serve over sweet potato mash. Drizzle with chimichurri and garnish with extra parsley.

Nutrition Facts (Per Serving)

Calories 650
Total Fat 42.0g
Carbohydrates 35.0g
Protein 40.0g

Chef's Notes

  • Store leftover chimichurri in an airtight container in the fridge for up to a week. Its flavors deepen over time, making it even more vibrant and aromatic.
  • Sweet potato mash can be made ahead and refrigerated for up to three days. Reheat gently, adding a splash of cream to restore its creamy texture.
  • For a quick substitution, use regular potatoes instead of sweet potatoes. They offer a different texture and flavor but pair well with the chimichurri.
  • Freeze the steak after cooking by wrapping it tightly in foil and placing it in a freezer bag. It will keep for up to three months.

Frequently Asked Questions

Yes, you can prepare the components separately in advance. Store the chimichurri in the fridge, and the sweet potato mash can be refrigerated. Reheat before serving for optimal flavor.

You can freeze the steak and sweet potato mash separately. Wrap the steak tightly and store the mash in an airtight container. Both will keep for up to three months.

Pair this dish with a fresh green salad or grilled vegetables. The crispness and lightness of these sides complement the rich flavors of the steak and mash beautifully.

Store leftovers in separate airtight containers in the refrigerator. The steak and mash will keep for up to three days, while the chimichurri can last up to a week.

Yes, regular potatoes can be used as a substitute. They provide a different texture and flavor but still pair well with the chimichurri and steak.