Marinated Grilled Flank Steak with Herb Gorgonzola Butter

We have definitely entered that phase of summer where it’s just way too hot to turn on the oven. But sometimes I’m in the mood for something other than the usual hamburgers, hot dogs and grilled chicken. This marinated grilled flank steak is my go to recipe when I want to do something a bit fancier on the grill.

Trust me though, when I say fancy, I don’t mean difficult. Just let your steak marinate all day and then throw it on the grill about 10 minutes before you’re ready to eat. And the herb gorgonzola butter is easy too! Just toss some fresh herbs into your food processor with butter and Gorgonzola cheese and you’ve got an amazing spread for your grilled steak (it’s pretty tasty on roasted potatoes too). The steak tastes best and is most tender if you have time to marinate it overnight. And any leftover herb butter can be frozen for later.

Marinated Grilled Flank Steak with Herb Gorgonzola Butter
Marinated Grilled Flank Steak with Herb Gorgonzola Butter
Serves 6
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Prep Time
10 min
Cook Time
10 min
Total Time
20 min
Prep Time
10 min
Cook Time
10 min
Total Time
20 min
700 calories
15 g
216 g
49 g
50 g
28 g
268 g
2257 g
11 g
1 g
16 g
Nutrition Facts
Serving Size
Amount Per Serving
Calories 700
Calories from Fat 429
% Daily Value *
Total Fat 49g
Saturated Fat 28g
Trans Fat 1g
Polyunsaturated Fat 2g
Monounsaturated Fat 14g
Cholesterol 216mg
Sodium 2257mg
Total Carbohydrates 15g
Dietary Fiber 1g
Sugars 11g
Protein 50g
Vitamin A
Vitamin C
* Percent Daily Values are based on a 2,000 calorie diet. Your Daily Values may be higher or lower depending on your calorie needs.
For the steak
  1. 1 (2 pound) flank steak
  2. 3/4 cup soy sauce
  3. 1/4 cup packed brown sugar
  4. 4 tablespoons balsamic vinegar
  5. 1/2 teaspoon dry mustard powder
  6. 1/2 teaspoon red pepper flakes
  7. 1/4 teaspoon black pepper
  8. Pinch of salt
For the Herbed Gorgonzola Butter
  1. 1 cup unsalted butter, softened
  2. 1 cup crumbled Gorgonzola cheese
  3. 3 cloves garlic, minced
  4. 1/3 to 1/2 cup loosely packed fresh herbs, chopped
  5. Salt and pepper, to taste
  1. In a small bowl, whisk together soy sauce, brown sugar, balsamic vinegar, mustard powder, red pepper flakes, pepper and salt.
  2. Place steak in a shallow dish or large zip-top bag and add soy sauce mixture. Cover the dish or seal the bag and refrigerate for at least 4 hours, or overnight.
  3. Heat grill to high heat. Grill steak, covered, for 6 minutes per side, or until medium rare. Let stand 10 minutes before slicing into thin strips to serve.
  4. To make Herbed Gorgonzola Butter, combine all ingredients in a food processor and pulse until smooth. Spread over warm flank steak.
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Who Dished It Up First: This is an original recipe.



  1. This is wonderful. One of my favorite steaks; so flavorful and the Gorgonzola butter is delicious!! Blessings, Cathreine

  2. I love grilling flank steak and we are always looking for new marinades! Looks wonderful!

  3. That butter… wow! Enough said.. need to eat this asap!

  4. Love this recipe! Trying it tonight!

  5. My husband really wanted steak sandwiches for dinner last night. We spread the gorgonzola-herb butter on some french baguette and then added thin slices of the steak. They were delicious!

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