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When the evening sun starts to dip and I crave something hearty yet refreshing, my go-to comfort dish is this Pan-Seared Flank Steak with Spinach Green Sauce and Sweet Potatoes. The moment the steaks hit the cast-iron skillet, the savory sizzle fills the kitchen, promising a flavor explosion that will delight anyone at the table. The vibrant green sauce, rich with herbs and spices, dances beautifully with the sweet creaminess of mashed sweet potatoes, creating a mouthwatering contrast that elevates every bite.

This recipe is more than just a feast for the senses; it’s quick and straightforward, making it perfect for busy weeknights or family gatherings where you want to impress without the fuss. Plus, with gluten-free and high-protein benefits, it’s a dish that satisfies both the palate and dietary needs. Check out this delightful way to turn your dinner routine into a culinary adventure that brings everyone together!

Why will you love Steak with Green Sauce and Sweet Potatoes?

Simplicity at its Finest: This recipe comes together in a snap, perfect for those busy weeknights.

Flavor Explosion: The pan-seared flank steak, combined with a vibrant spinach green sauce, brings an irresistible burst of freshness and savory goodness.

Comfort Food Reinvented: Creamy mashed sweet potatoes perfectly balance the dish, elevating comfort food to a whole new level.

Versatile Meal: Enjoy it as is or switch up the side with corn and feta for a refreshing twist!

High-Protein Goodness: Not only is it delicious, but it also packs a protein punch, catering to health-conscious diners.

Impressive Presentation: Serve it at gatherings, and watch it steal the show, quickly becoming a favorite among friends and family.

Steak with Green Sauce Ingredients

For the Sweet Potatoes
• Sweet Potatoes – Provides natural sweetness and a creamy texture; substitute with yams for variability.
• Olive Oil – Fat source for roasting and flavor enhancement; can be replaced with avocado oil.
• Salted Butter – Adds richness to the mashed sweet potatoes; use unsalted butter if managing salt intake.

For the Spinach Sauce
• Fresh Baby Spinach – Key ingredient for the sauce, bringing vibrant color and nutrients; frozen spinach can be an alternative.
• Garlic – Adds a pungent and aromatic flavor; substitute with garlic powder if fresh is unavailable.
• Balsamic Vinegar – Provides acidity and a slight sweetness to the sauce; red wine vinegar or apple cider vinegar can be used as substitutes.
• Cumin – Warm spice that enhances the sauce’s depth; omit or replace with paprika for a milder flavor.
• Chili Powder – Adds heat and complexity to the sauce; for a milder version, use chili flakes or omit entirely.

For the Flank Steak
• Flank Steak – Main protein component; tender and flavorful when cooked correctly; alternative cuts include skirt steak or sirloin.
• Fresh Cilantro or Parsley – For garnish, adding freshness; use basil for an alternative herb flavor.

This delightful combination of ingredients will ensure your Steak with Green Sauce and Sweet Potatoes turns out to be a flavorful and memorable meal for every occasion!

How to Make Steak with Green Sauce and Sweet Potatoes

Preheat Oven: Start by preheating your oven to 350°F. This sets the stage for perfectly roasted sweet potatoes.
Prepare Sweet Potatoes: Wash, peel, and cut the sweet potatoes into even chunks. Toss them with olive oil and a sprinkle of salt to coat them nicely.
Roast Sweet Potatoes: Spread the seasoned sweet potatoes on a baking sheet and roast for about 30 minutes, or until they’re fork-tender and slightly caramelized.
Make Spinach Sauce: While the potatoes roast, prepare the vibrant spinach green sauce. In a food processor, combine fresh spinach, garlic, olive oil, balsamic vinegar, cumin, chili powder, and a pinch of salt. Blend until smooth and creamy.
Season Flank Steak: Pat the flank steak dry with paper towels, then rub it with chili powder, salt, and black pepper for a flavorful crust.
Sear Steak: Heat a cast-iron skillet over medium heat with olive oil for about 3 minutes. Once hot, add the steak and sear for approximately 5 minutes on each side until it reaches an internal temperature of 130°F for medium-rare.
Let Steak Rest: After cooking, remove the steak from the skillet and let it rest for 5 minutes. This step is crucial for juicy slices!
Slice Steak: Once rested, slice the steak against the grain into thin strips to enhance tenderness and presentation.
Serve: Plate the fluffy mashed sweet potatoes and arrange the sliced steak on top. Drizzle the creamy spinach sauce over the steak and garnish with fresh cilantro or parsley for a splash of color.

Optional: For added flavor, sprinkle some crumbled feta cheese over the sweet potatoes.

Exact quantities are listed in the recipe card below.

Steak with Green Sauce Variations

Feel free to make this delightful dish your own with these tasty twists!

Corn & Feta: Substitute sweet potatoes with a fresh corn salad mixed with crumbled feta for a tangy crunch. The sweet corn brings a delightful texture contrast to the meal.
Sirloin Swap: Use sirloin steak instead of flank for a different flavor profile while still keeping it tender and juicy. It’s a classic choice that will never disappoint!
Dairy-Free Sauce: Replace the butter in your mashed sweet potatoes with coconut cream for a dairy-free option, adding a hint of tropical flavor that complements the dish.
Herb Variations: Try swapping cilantro for fresh basil in the spinach sauce for a unique, sweet herbal note. Perfect for those who enjoy a twist on traditional flavors!
Extra Spice: Add a jalapeño or red pepper flakes to your spinach sauce for an added kick, perfect for those who crave a spicy edge to their meal.
Roasted Veggies: Pair with roasted Brussels sprouts or asparagus for a vibrant veggie side filled with added nutrients and color. It’s a fantastic way to boost your vegetable intake!
Smashed Garlic Potatoes: For a heartier option, consider replacing sweet potatoes with smashed garlic potatoes, letting their creamy goodness enhance the steak experience.
Vegan Option: Use marinated tofu or tempeh instead of steak for a plant-based version, ensuring you still get a protein punch while enjoying vibrant flavors.

Make Ahead Options

These Steak with Green Sauce and Sweet Potatoes are fantastic for meal prep, making busy weeknights a breeze! You can peel and chop the sweet potatoes up to 24 hours in advance, storing them submerged in water in the refrigerator to prevent browning. The spinach green sauce can also be made up to 3 days ahead; just blend all ingredients and refrigerate in an airtight container. When it’s time to serve, roast the sweet potatoes straight from the fridge and prepare the steak to your desired doneness. This preparation ensures that your meal maintains its vibrant flavors and textures, allowing you to enjoy a delicious, homemade dinner with minimal effort!

What to Serve with Steak with Green Sauce and Sweet Potatoes?

Looking for the perfect accompaniments to elevate your dinner experience? Let’s delve into the delightful combinations that will complete your meal.

Garlic Bread: The crispy, toasted edges paired with a buttery garlic spread create a wonderful contrast to the juicy steak, satisfying every carb-lover.
Grilled Asparagus: Lightly charred with a squeeze of lemon, the bright freshness of asparagus balances the richness of the steak and sweet potatoes beautifully.
Corn and Feta Salad: This vibrant side combines sweet corn with tangy feta, offering a crunchy texture that complements the creamy sweet potatoes perfectly.
Classic Caesar Salad: Crisp romaine and rich dressing will enhance every bite of steak, adding a zesty lift that harmonizes wonderfully with the spinach sauce.
Herbed Quinoa: Light and fluffy, quinoa tossed with fresh herbs adds a nutty flavor that pairs exquisitely with both the steak and the refreshing green sauce.
Roasted Brussels Sprouts: Their caramelized edges and earthy flavor bring a hearty element to the table, balancing the dish’s sweetness while adding texture.
Red Wine: A full-bodied Cabernet Sauvignon will enhance the savory notes of the flank steak, wrapping the meal in warmth and deep flavors.
Chocolate Mousse: For dessert, an airy chocolate mousse brings a decadent end to the meal that contrasts beautifully with the savory main course.

These sides and sips will not just fill plates but also draw everyone together at the table, making your Steak with Green Sauce and Sweet Potatoes shine even brighter!

How to Store and Freeze Steak with Green Sauce and Sweet Potatoes

Fridge: Store leftovers in an airtight container and keep in the fridge for up to 3 days. This ensures your steak stays juicy, and the spinach sauce maintains its vibrant flavor.

Freezer: For longer storage, freeze the steak and sauce separately in airtight bags for up to 2 months. Thaw overnight in the fridge before reheating.

Reheating: To reheat, warm the steak gently in a skillet over medium heat until heated through. Reheat spinach sauce in a saucepan on low, stirring frequently to maintain its creamy texture.

Storage Tip: Remember that sweet potatoes can be mashed and stored in the fridge for up to 3 days, making meal prep easier for your Steak with Green Sauce and Sweet Potatoes.

Expert Tips for Steak with Green Sauce

Sear for Perfection: Ensure your skillet is properly preheated for that mouthwatering caramelized crust on your flank steak.
Don’t Rush the Rest: Allow the steak to rest for at least 5 minutes after cooking; this way, the juices stay locked in.
Use a Thermometer: Invest in a meat thermometer to monitor doneness accurately. Pull the steak at 130°F for a juicy, medium-rare finish.
Blend Smoothly: When making the spinach sauce, blend thoroughly until smooth to achieve that delightful creamy texture.
Customize Wisely: If you’re aiming for a milder green sauce, adjust the chili powder carefully, as a small amount can significantly impact the flavor.
Alternative Sides: For variety, consider pairing the steak with corn and feta cheese, providing a refreshing side that complements the steak with green sauce beautifully.

Steak with Green Sauce and Sweet Potatoes Recipe FAQs

How do I choose ripe sweet potatoes?
When selecting sweet potatoes, look for those that are firm to the touch with smooth skin, free from dark spots or blemishes. A sweet potato with a few small marks is okay as long as they’re not significant. If you’re after optimal sweetness, try to pick those with a deep orange color!

How do I store leftover spinach sauce?
Store leftover spinach sauce in an airtight container in the refrigerator for up to 3 days. Make sure to give it a good stir before using, as it may separate slightly while sitting. This sauce can be great as a dip or dressing, adding flavorful moisture to various dishes!

Can I freeze cooked steak and sauce?
Absolutely! To freeze, first, let the cooked steak cool completely, then slice it and place it in a freezer-safe bag. For the spinach sauce, pour it into another airtight container or freezer bag. Both can be kept in the freezer for up to 2 months. To reheat, thaw them in the fridge overnight and warm them gently.

What if my steak is overcooked?
If your steak happens to be overcooked, don’t fret! While it may not be as juicy, you can slice it thinly and serve it in a flavorful sauce to help mask some dryness. Adding a bit more of the spinach sauce on top can also help keep the flavors vibrant. Remember, practice makes perfect, so don’t be discouraged.

Are there any dietary considerations for this dish?
Yes, this dish is gluten-free and high in protein, making it suitable for many dietary preferences. However, if you’re considering allergens, be mindful of the butter and any added spices. If you’re serving this to pets, especially dogs, it’s best to avoid sharing the seasoned steak and onions, as they’re not suitable for them.

What can I substitute for flank steak?
If you can’t find flank steak, don’t worry! Skirt steak or sirloin are excellent alternatives that can provide a similar texture and flavor. Just follow the same cooking method, adjusting the times slightly based on the thickness of the meat for the best results!