Flat Iron Steak: Wood-Fired vs. Gas (The Truth) | Arteflame

What is the Best Way to Grill Flat Iron Steak?

For the ultimate balance of tenderness and flavor, wood-fired grilling outperforms gas when cooking flat iron steak. While gas grills offer push-button convenience, they often lack the intense, conductive heat required for a premium crust. Cooking on a solid carbon steel surface (like an Arteflame) eliminates flare-ups, allows for an edge-to-edge sear, and infuses the meat with a distinct smoky flavor that gas burners simply cannot replicate.

Comparison: Wood-Fired vs. Gas Grilling

Before firing up the grill, it is crucial to understand how the heat source affects the texture and taste of this specific cut. Flat iron steak is the second most tender cut of beef, but it requires high heat to seal in juices.

Why Choose Flat Iron Steak for Grilling?

The flat iron steak (also known as the top blade steak) is a butcher's secret. It is cut from the shoulder (chuck) but sits uniquely flat, making it incredibly tender—second only to the filet mignon. Unlike the filet, however, the flat iron is packed with deep beefy flavor similar to a ribeye, but at a fraction of the cost.

Pro Tip: Look for steaks with consistent marbling. Because the flat iron is a uniform rectangle, it cooks more evenly than irregular cuts like flank or skirt steak, making it perfect for high-heat searing.

The Science of the Sear

Using an Arteflame grill changes the chemistry of the cook. The solid carbon steel cooktop acts as a plancha. Unlike grill grates where 50% of the meat is exposed to air, the plancha provides 100% surface contact. This maximizes the Maillard reaction, creating a flavorful brown crust across the entire steak surface without overcooking the center.

How Do You Cook the Perfect Flat Iron Steak?

Follow this method to maximize the potential of your wood-fired grill.

1. Prepare the Fire

Build a medium-sized fire in the center of your grill using hardwood or charcoal. Allow the cooktop to heat up for at least 20 minutes. You want the center of the cooktop to be extremely hot for searing, while the outer edges remain cooler for resting.

2. Season the Meat

Coat the steak lightly with oil and apply a generous rub of coarse sea salt and freshly cracked black pepper. Avoid sugary marinades, as they will burn on the hot steel.

3. The Sear

Place the steak directly on the hottest part of the cooktop. Sear for about 2-3 minutes per side. You are looking for a deep mahogany crust.

Pro Tip: Use the "Reverse Sear" concept if your steak is thick. Start it on the cooler outer ring of the cooktop to bring the internal temp up slowly, then finish with a hard sear in the center for the final minute.

4. Check Internal Temperature

Remove the steak when it reaches an internal temperature 5°F–10°F below your target doneness, as it will continue cooking while resting.

• Rare: 120°F (Remove at 115°F)
• Medium-Rare: 130°F (Remove at 125°F)
• Medium: 140°F (Remove at 135°F)

5. Rest and Slice

Let the steak rest for 5 to 10 minutes. Slice against the grain to ensure every bite is tender.

Frequently Asked Questions

Is flat iron steak tougher than ribeye?

No, flat iron steak is actually more tender than ribeye. It is considered the second most tender cut on the animal, right after the tenderloin, provided the heavy connective tissue has been removed by the butcher.

Do I need to marinate flat iron steak?

Marinades are optional because the cut is naturally tender and flavorful. However, if you want to add zest, limit marinating time to 2-4 hours so the acid doesn't break down the meat texture too much.

What is the best alternative to flat iron steak?

If you cannot find flat iron, flank steak or skirt steak are the closest substitutes regarding shape and grain, though they are generally tougher and require strictly slicing against the grain.