Grilled Flat Iron Steak with Pistachio Pesto Butter

Name: Grilled Flat Iron Steak with Pistachio Pesto Butter
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 sticks butter, room temperature; 1 cup packed basil leaves; 4 to 5 cloves garlic; 1 teaspoon kosher salt; Pinch coarse ground black pepper; Dash fresh lemon juice; 3 tablespoons extra-virgin olive oil; 1/4 cup Asiago cheese; 2 tablespoons pistachios; Pinch red pepper flakes; Olive oil; 4 (8-ounce) flat iron steaks; Salt and freshly ground black pepper

Servings: persons

2 sticks butter, room temperature
1 cup packed basil leaves
4 to 5 cloves garlic
1 teaspoon kosher salt
Pinch coarse ground black pepper
Dash fresh lemon juice
3 tablespoons extra-virgin olive oil
1/4 cup Asiago cheese
2 tablespoons pistachios
Pinch red pepper flakes
Olive oil
4 (8-ounce) flat iron steaks
Salt and freshly ground black pepper

1
In a food processor add, butter basil, garlic, salt and pepper.
2
Pulse a few times until well combined.
3
Add lemon juice and drizzle oil.
4
Pulse again.
5
Add cheese, pistachios and red pepper flakes.
6
Remove from processor with a rubber spatula onto a sheet of parchment paper and shape into a log.
7
Place in the refrigerator and allow to set for at least 30 minutes.
8
For the steak:
9
Preheat grill to medium.
10
Drizzle the steaks with olive oil.
11
Put on the grill, and while cooking season with sea salt and black pepper, to taste.
12
Cook for 3 to 4 minutes, then flip and season with salt and pepper, to taste.
13
Grill for another 3 to 4 minutes.
14
Remove from the grill to a platter and allow to rest for a few minutes.
15
Slice disks of butter, put on steaks while still hot and serve.

966

kcal

Calories

Fat

Carbs

Protein

Fat Carbs Protein

* Per serving · 4 servings · Values may vary.

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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How did you like this recipe?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

You need 13 ingredients. The key ingredients include: 2 sticks butter, room temperature, 1 cup packed basil leaves, 4 to 5 cloves garlic, 1 teaspoon kosher salt, and more.

Yes, Grilled Flat Iron Steak with Pistachio Pesto Butter falls under the Meat & Poultry category and is a great choice for this type of meal.

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

That's it — enjoy your meal!