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Home » Recipe Index » Balsamic Flank Steak

Balsamic Flank Steak

May 4, 2026 by Flory

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One of my new grilling favorites is balsamic flank steak served over grilled zucchini and creamy whipped feta, drizzled with a sweet and tangy delicious balsamic glaze. This dish is perfect for summer barbecues or a quick weeknight dinner. With its rich flavors and simple preparation, it’s sure to impress your family and friends.

Why You’ll Love This Recipe

  • Quick and Easy: This recipe comes together in just 30 minutes, making it perfect for busy weeknights.
  • Flavor-Packed: The marinade infuses the flank steak with bold flavors that are enhanced by the balsamic glaze.
  • Healthy Ingredients: Packed with protein and veggies, this meal is both nutritious and satisfying.
  • Versatile Dish: Serve it on its own or pair it with your favorite sides for a complete meal.
  • Perfect for Grilling Season: Enjoy the outdoors while grilling up this delicious flank steak to perfection.

Tools and Preparation

To make the best balsamic flank steak, having the right tools is essential. Here’s what you’ll need to gather before you start cooking.

Essential Tools and Equipment

  • Grill
  • Plastic bag or shallow dish for marinating
  • Medium saucepan
  • Blender or food processor
  • Tongs

Importance of Each Tool

  • Grill: Provides high heat for searing the steak, creating those beautiful grill marks.
  • Blender or Food Processor: Ensures a smooth consistency for the whipped feta, making it creamy and delightful.

Ingredients

  • 1.5 lb flank steak
  • 2 teaspoons Dijon mustard
  • 4 cloves minced garlic
  • 2 teaspoons onion powder
  • 3 Tablespoons soy sauce or coconut aminos
  • 3 Tablespoons olive oil
  • 1/2 cup balsamic vinegar (plus more as needed)
  • Salt and black pepper to taste
  • 3 large zucchini (ends trimmed and cut into thick slices lengthwise)
  • 2-3 Tablespoons olive oil
  • Kosher salt to taste
  • 8 ounces feta cheese (in the brine)
  • 3 Tablespoons heavy cream or milk

How to Make Balsamic Flank Steak

Step 1: Marinate the Steak

  1. In a large plastic bag or shallow dish, combine the Dijon mustard, minced garlic, onion powder, soy sauce, olive oil, and balsamic vinegar.
  2. Season both sides of the flank steak with salt and pepper.
  3. Add the steak to the marinade, seal the bag or cover the dish, and refrigerate for at least 2 hours or overnight.

Step 2: Prepare to Grill

  1. Preheat your outdoor grill to high heat (450°F).
  2. Brush grill grates with oil to prevent sticking.

Step 3: Grill the Flank Steak

  1. Remove the flank steak from the marinade, shaking off excess but keeping the marinade for later use.
  2. Place the flank steak on the hot grill and close the lid.
  3. Cook for about 3-5 minutes on each side until medium-rare (135°F internal temperature).

Step 4: Grill Zucchini

  1. Brush zucchini slices with olive oil and sprinkle with kosher salt.
  2. When you flip the steak, add zucchini to another part of the grill.
  3. Grill zucchini for about 2-3 minutes on each side until tender.

Step 5: Make Balsamic Glaze

  1. While meat rests, pour reserved marinade into a medium saucepan.
  2. Bring it to a rolling boil over medium-high heat to ensure safety.
  3. Reduce heat and simmer for about 2-3 minutes until thickened.

Step 6: Prepare Whipped Feta

  1. In a blender or food processor, combine feta cheese and heavy cream.
  2. Blend until smooth.

Step 7: Assemble Your Dish

  1. Brush half of the balsamic glaze over the grilled flank steak.
  2. Slice steak thinly against the grain.
  3. On serving plates, spoon whipped feta as a base; top with sliced steak and grilled zucchini.
  4. Drizzle remaining balsamic glaze over everything before serving.

Enjoy your flavorful balsamic flank steak!

How to Serve Balsamic Flank Steak

Balsamic flank steak is a versatile dish that pairs well with many sides. Here are some delicious serving suggestions to enhance your meal.

Over Grilled Vegetables

  • Grilled zucchini and bell peppers add a fresh, colorful touch. The smoky flavor complements the steak beautifully.

With Creamy Whipped Feta

  • Serve the steak atop a bed of whipped feta for a creamy contrast. The tanginess of the feta balances the sweet balsamic glaze.

In a Salad

  • Slice the flank steak thinly and add it to a mixed greens salad. Top with cherry tomatoes, red onions, and a light vinaigrette for a refreshing meal.

As Tacos

  • Shred the grilled flank steak and use it as a filling for tacos. Add avocado, salsa, and cilantro for extra flavor.

With Garlic Mashed Potatoes

  • Pair the steak with garlic mashed potatoes for a comforting side. The creaminess of the potatoes complements the savory flavors of the meat.
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How to Perfect Balsamic Flank Steak

Achieving perfectly grilled balsamic flank steak requires attention to detail. Here are some tips to ensure success.

  • Marinate longer: For maximum flavor, marinate the steak overnight. This allows the flavors to deeply penetrate the meat.
  • Use high heat: Grill at high temperatures (around 450°F) for optimal searing. This creates a nice crust while keeping the inside juicy.
  • Let it rest: Allowing the steak to rest for 10 minutes after grilling helps retain its juices. This results in a more tender bite.
  • Slice against the grain: Cutting against the grain makes each piece easier to chew. Look at how the muscle fibers run and slice perpendicular to them.

Best Side Dishes for Balsamic Flank Steak

To round out your meal, consider these side dishes that pair well with balsamic flank steak.

  1. Roasted Asparagus: Drizzle asparagus with olive oil and roast until tender. Their earthy flavor enhances the steak’s richness.
  2. Quinoa Salad: Mix cooked quinoa with diced cucumbers, tomatoes, and parsley for a light side that adds texture.
  3. Grilled Corn on the Cob: Brush corn with butter and grill until charred. The sweetness complements the tangy glaze perfectly.
  4. Sweet Potato Fries: Bake or fry sweet potato fries for a crispy side that adds sweetness to balance out savory flavors.
  5. Coleslaw: A crunchy coleslaw provides freshness and acidity, which cuts through the richness of the steak.
  6. Garlic Green Beans: Sauté green beans with garlic for an easy yet flavorful option that adds color and crunch.

Common Mistakes to Avoid

When preparing balsamic flank steak, avoiding common mistakes can enhance your dish’s flavor and texture.

  • Skipping the Marinade: Failing to marinate the steak for enough time can lead to a bland taste. Aim for at least 2 hours, or overnight for best results.
  • Overcooking the Steak: Cooking the steak too long will make it tough. Use a meat thermometer to check for medium-rare at 135°F.
  • Not Letting it Rest: Cutting into the steak immediately after grilling can cause juices to run out. Allow it to rest for 10 minutes before slicing.
  • Ignoring Grill Temperature: Grilling on low heat may not give you those perfect grill marks. Preheat your grill to high heat before cooking.
  • Using the Wrong Cut of Meat: Substituting flank steak with a different cut may affect tenderness and flavor. Stick with flank steak for best results.
Balsamic

Storage & Reheating Instructions

Refrigerator Storage

  • Store in an airtight container for up to 3 days.
  • Make sure the steak is cooled completely before sealing.

Freezing Balsamic Flank Steak

  • Wrap tightly in plastic wrap, then foil, and freeze for up to 3 months.
  • Label the packages with the date for easy tracking.

Reheating Balsamic Flank Steak

  • Oven: Preheat to 350°F and cover with foil. Heat until warmed through, about 15 minutes.
  • Microwave: Place on a microwave-safe plate, cover loosely, and heat in short intervals until warm.
  • Stovetop: Slice the steak and reheat in a skillet over medium-low heat with a splash of water or broth.

Frequently Asked Questions

What is Balsamic Flank Steak?

Balsamic flank steak is a flavorful grilled dish made by marinating flank steak in balsamic vinegar and spices, enhancing its taste.

How do I know when my Balsamic Flank Steak is done?

Use a meat thermometer; it should read 135°F for medium-rare. Remember that it will continue cooking while resting.

Can I use other cuts of meat for this recipe?

While flank steak is recommended, you can use skirt steak or sirloin, but adjust cooking times accordingly.

What sides pair well with Balsamic Flank Steak?

Grilled vegetables like zucchini or roasted potatoes make great sides. A fresh salad can also complement this dish nicely.

Final Thoughts

This balsamic flank steak is not only delicious but also versatile, allowing you to customize it with various sides or marinades. It’s perfect for quick weeknight dinners or special occasions. Give this recipe a try; you’ll love how easy it is to prepare!

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Balsamic Flank Steak

Balsamic Flank Steak


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  • Author: Jennifer
  • Total Time: 30 minutes
  • Yield: Serves approximately four people 1x
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Description

Balsamic flank steak is a mouthwatering dish that combines the rich flavors of marinated beef with fresh grilled zucchini and creamy whipped feta. This easy-to-make recipe is perfect for summer barbecues or busy weeknight dinners, delivering a delightful balance of sweetness and tang with every bite. The flank steak is marinated in a flavorful balsamic mixture, grilled to perfection, and served with a luscious glaze that enhances its natural juiciness. With minimal preparation time and impressive results, this recipe will surely become a favorite among family and friends.


Ingredients

Scale
  • 1.5 lb flank steak
  • 2 tsp Dijon mustard
  • 4 cloves garlic (minced)
  • 3 tbsp soy sauce or coconut aminos
  • 1/2 cup balsamic vinegar
  • 3 large zucchini (sliced)
  • 8 oz feta cheese
  • 3 tbsp heavy cream

Instructions

  1. 1. Marinate the steak by combining Dijon mustard, minced garlic, soy sauce, olive oil, and balsamic vinegar in a plastic bag. Season the steak with salt and pepper, add it to the marinade, seal, and refrigerate for at least 2 hours or overnight.
  2. 2. Preheat the grill to high heat (450°F). Brush grates with oil.
  3. 3. Grill the marinated steak for about 3-5 minutes on each side until it reaches an internal temperature of 135°F for medium-rare.
  4. 4. Meanwhile, brush zucchini slices with olive oil and grill alongside the steak for about 2-3 minutes on each side until tender.
  5. 5. Prepare whipped feta by blending feta cheese with heavy cream until smooth.
  6. 6. Serve sliced flank steak over whipped feta and grilled zucchini, drizzled with balsamic glaze.
  • Prep Time: 15 minutes
  • Cook Time: 15 minutes
  • Category: Dinner
  • Method: Grilling
  • Cuisine: American

Nutrition

  • Serving Size: 1/4 of the recipe (approximately 200g)
  • Calories: 360
  • Sugar: 5g
  • Sodium: 800mg
  • Fat: 20g
  • Saturated Fat: 7g
  • Unsaturated Fat: 13g
  • Trans Fat: 0g
  • Carbohydrates: 10g
  • Fiber: 2g
  • Protein: 35g
  • Cholesterol: 90mg

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