Thick Cut Reverse Sear T-Bone Steak

Cooking a massive two-inch thick t-bone steak can feel a bit intimidating, but this reliable reverse sear method takes away all the guesswork. We are breaking down exactly how to manage a forty-ounce T-bone so that both the tenderloin and strip loin come out incredibly juicy and cooked to your exact preference.

When you spend extra on a beautiful, thick-cut steak, you want to make sure it gets the respect it deserves on the grill. Traditional high-heat grilling can easily leave you with a burnt exterior and a raw middle, especially with a T-bone, where one side always cooks faster than the other. By starting low and slow, we get perfect edge-to-edge doneness before finishing with an incredible, crust-building sear.

Jump to:

• Why We Love This Recipe
• What is Reverse Searing?
• Ingredients
• Instructions
• Serving Suggestions
• Tips, Substitutions & Serving Suggestions
• Love this Reverse Sear T-Bone Steak? Try These Recipes Next:
• 📖 Recipe

Why We Love This Recipe

• Edge-to-Edge Perfection: The low-temperature start ensures the entire steak cooks evenly without leaving a thick, gray ring of overcooked meat.
• Protects the Tenderloin: Strategic heat positioning keeps the smaller, leaner tenderloin side juicy while the larger strip loin side catches the heat.
• Two Ways to Finish with Butter: You can choose between a simple garlic herb compound butter that melts over the resting meat or a skillet butter baste with fresh rosemary and thyme to enrich the crust.
• Tailored for Big Cuts: This approach is specifically designed to handle thick, presentation-worthy steaks that easily fail with standard grilling methods.

What is Reverse Searing?

Reverse searing is a culinary technique where a thick cut of meat is first cooked slowly at a low temperature until it reaches just below your target final doneness. Once the interior is evenly warmed, the meat is finished with a rapid, high-heat sear. This intense blast of heat triggers the Maillard reaction, which is the scientific magic behind that deeply flavorful, beautifully caramelized crust we all love on a great steak.

Ingredients

The Steak

• T-bone steak
• Kosher salt
• Black pepper

For Finishing

Option #1 Garlic Herb Finishing Butter

• Butter
• Garlic
• Fresh parsley or thyme
• Fresh rosemary

Option #2 Butter Basting

• Butter
• Garlic cloves
• Rosemary sprig
• Fresh thyme sprigs

See the recipe card below for quantities.

Instructions

Steak Preparation

Remove the steak from the refrigerator 1 hour before you plan to cook to bring it close to room temperature.

Pat the surface of the meat completely dry with paper towels.

Season generously with kosher salt on all sides.

Add the freshly cracked black pepper to all sides just before the steak goes onto the heat.

The Slow Cook Phase

Set your grill or oven to 250°F (120°C). If using a grill, set it up for a two-zone cooking method with an indirect heat zone.

Place the steak on the indirect heat side or on an oven rack. Position the smaller tenderloin side farther away from the hottest area of your heat source to protect it from cooking too quickly.

➡️Pro Tip: Balance on the Bone: Since your T-bone is a hefty 2 inches (5 cm) thick, try balancing it completely upright on its flat bone base during the slow cook phase. This turns the bone into a natural heat shield that protects the tenderloin while allowing the warm air to circulate perfectly around both sides. You will get a remarkably even internal temperature without ever having to flip the steak.

Cook until the internal temperature reaches your target lower threshold. For a 2-inch (5 cm) thick T-bone, expect this slow cook phase to take approximately 35 to 50 minutes. Use a reliable digital meat thermometer to track the temperature:

• Target 110°F (43°C) for a final rare doneness.
• Target 115°F (46°C) for a final medium-rare doneness.
• Target 120°F (49°C) for a final medium doneness.

➡️Always cook to the specific internal temperature rather than relying strictly on time.

A Brief Rest

Remove the steak from the heat source and let it rest on a cutting board for 10 minutes.

While the steak rests, fire up your high-heat cooking surface (a heavy cast iron skillet, a griddle, high-heat grill grates, or an infrared burner).

The High-Heat Sear

Place the steak onto the searing surface over high heat.

Position the steak so the larger strip loin side sits directly over the hottest part of the fire, keeping the tenderloin side slightly cooler.

Sear for approximately 60 to 90 seconds per side to build a beautiful crust.

Stand the steak up on its edge using tongs to sear the fat cap for 30 to 45 seconds, then briefly sear the remaining edges.

Remove the steak from the heat when the internal temperature hits your final target:

• 125°F to 130°F (52°C to 54°C) for medium-rare.
• 135°F (57°C) for medium.

Finishing and Serving

Option #1 Finishing Method: Compound butter

Mix the softened butter, minced garlic, parsley, and rosemary together in a small bowl.

Place the compound butter directly on top of the hot steak immediately after removing it from the sear.

Allow the steak to rest for an additional 5 to 10 minutes, letting the butter melt over the meat before carving and serving.

Option #2 Finishing Method: Skillet Butter Basting

If you are using a heavy stainless steel skillet or a flat-top griddle for your high-heat sear, you can choose to butter-baste the meat right at the end instead of using the compound butter.

During the final 45 seconds of the high-heat sear, turn the burner down slightly to medium-high.

Toss the butter, crushed garlic cloves, rosemary, and thyme sprigs directly into the pan right next to the steak.

Tilt the skillet slightly so the melting butter pools at the bottom of the pan.

Use a large spoon to continuously scoop the hot, foaming, herb-infused butter over the top of the steak.

Spoon the butter over both sides of the meat for about 30 to 45 seconds, letting it run down the sides to deeply flavour the crust.

Remove the steak from the skillet immediately so the butter and garlic do not burn, then let it rest for 5 to 10 minutes before carving.

Serving Suggestions

We paired this T-bone with charred grilled broccoli and our favorite dill pickle potato salad, it’s an incredible combination. But if you want to mix and match from the site, you’ve got some great options depending on your vibe:

• The Steakhouse Classic: Go with grilled broccolini or tender asparagus, and pair them with a crisp wedge salad topped with gorgonzola dressing to beautifully cut through the rich herb butter.
• Crispy & Fresh: Swap out the potato salad for some crispy bomba potatoes and round things out with a light, crisp green salad.
• Surf and Turf Menu: Alongside this 2-inch T-bone we served Spanish-style Mejillones en Salsa Picante, garlicky shrimp sautéed in olive oil, garlic and herbs, and a creamy Dill Pickle Potato Salad. Plenty of grilled toast was essential for soaking up every last bit of sauce.

No matter which direction you take it, you really can’t go wrong!

Tips, Substitutions & Serving Suggestions

• The Sweet Spot for 40 oz: For a 40 oz (1.13 kg) steak, pull the meat from the indirect heat at 115°F (46°C). After a screaming hot sear, aim to pull it off the heat permanently between 128°F and 130°F (53°C to 54°C). This gives you a striking medium-rare finish throughout while keeping the tenderloin side beautifully juicy.
• Two-Zone Setup: If you are using a pellet, gas, or charcoal grill, maintaining a clear two-zone setup is vital. Keep one side completely unlit or on low heat for the slow cook phase, then transition the steak to the blazing hot side for the finish.
• Thermometer Accuracy: Since a T-bone has a large bone running through the center, ensure your thermometer probe is inserted into the thickest part of the meat and is not touching the bone, which can transfer heat differently and give an inaccurate reading.

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Transparency is important to us! We are Hestan Culinary ambassadors, and this post contains affiliate links. This 40 oz T-bone steak grilled to perfection, served in the Provisions Large Clad Oval Roaster with grilled broccolini and finished with garlic thyme butter melted in a NanoBond skillet. The thoughts, tips, and results shared in this recipe are 100% our own!

Because we truly believe in these pans, we have a special 20% offer for you when you shop using this link HestanCulinary.com (or click on any of the links in this post) and enter the code: ZIMMY20. The additional 20% discount is not available during promotional periods.

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Love this Reverse Sear T-Bone Steak? Try These Recipes Next:

• Garlic Butter Shrimp and Steak
• Grilled T-Bone Steak with Peppercorn Board Sauce
• Spanish Style Steak
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📖 Recipe