What's the difference between a tomahawk and a regular ribeye?

A tomahawk is a bone-in ribeye with the long rib bone Frenched out (cleaned of meat and fat). It comes from the same primal — the rib primal, between ribs 6 and 12 — and the meat itself is the same well-marbled muscle as a boneless ribeye. The bone doesn't change flavor materially, but it changes geometry: a tomahawk is thick (2 to 2.5 inches is standard), which is exactly why the reverse sear method works on this cut. Thin steaks don't need it.

Can I cook a reverse sear tomahawk without a thermometer?

No. A 2.5-inch tomahawk depends on hitting 115°F internal in the oven before the sear, and there's no reliable visual cue. A finger-poke test on a bone-in piece this thick is unreliable. A leave-in probe in the oven and an instant-read at the moment of pull are the two things you shouldn't cheap out on.

Why pull at 115°F and not 125°F like other recipes say?

Because the sear is still ahead of you. A 60–90-second sear per side over live fire adds roughly 10–15°F of carryover heat, and the 10-minute tented rest before the sear adds another 3–5°F as the surface cools and the center catches up. Pull at 115°F and the steak lands at 128–30°F medium rare. Pull at 125°F and you'll be cutting into medium well.

Why oven for the slow phase instead of indirect grilling?

An oven holds 225°F effortlessly for an hour-plus. A charcoal kettle held at 225°F for the same hour-plus requires constant vent management and fuel checks. The reverse sear cares about steady low heat first, then ripping heat at the end. Indoor oven for the climb, outdoor grill for the crust — you get the temperature stability of the kitchen and the live fire of the deck.

Reverse Sear Tomahawk Steak

Description

Edge-to-edge medium rare bone-in ribeye, slow-roasted in a 225°F oven to 115°F internal, then ripped over a hot grill for the crust. Finished with Cow's Rule Garlic & Herb compound butter and Florida Pure Sea Salt.

Ingredients

Scale

1 bone-in tomahawk ribeye, 2.5 inches thick (about 2.5-3 lb) 2 tablespoons kosher salt 1 tablespoon coarsely cracked black pepper 2 tablespoons Cow's Rule Garlic & Herb Compound Butter (or Bleu Cheese & Chive, or Au Poivre) Florida Pure Sea Salt Pure Flaked, for finishing 1 tablespoon neutral oil, optional, for the sear

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Instructions

Pat the tomahawk dry on both sides and along the bone. Season generously with 2 tablespoons kosher salt and 1 tablespoon cracked black pepper on both faces and the fat-cap edge. Rest on a wire rack at room temperature for 30 to 45 minutes.
Preheat the oven to 225°F. Set the steak on a rack over a rimmed sheet pan.
Insert a leave-in probe thermometer into the thickest part of the steak, parallel to the bone, not touching the bone.
Slow roast the steak in the oven until the internal temperature reaches 115°F. Start checking at the 45-minute mark — total time is 60 to 90 minutes for a 2.5-inch tomahawk.
Move the steak to a board and tent loosely with foil for 10 minutes. While it rests, fire the grill to maximum heat (full open vents on a kettle, all burners on high on gas).
Pull the foil. Sear the steak directly over the hot grates for 60 to 90 seconds per side, flipping once.
Stand the steak on its fat-cap edge with tongs for 30 seconds to render the fat strip.
Move to a clean board. Top with 2 tablespoons Cow's Rule Garlic & Herb compound butter. Rest 5 minutes uncovered. Internal should land at 128 to 130°F.
Slice off the bone, then slice against the grain into 1/2-inch pieces. Finish each slice with a flake of Florida Pure Sea Salt right before serving.

Notes

The thermometer is the recipe. Always pull at 115°F — carryover from the sear and rest adds 13 to 18°F. Final internal is the truth, not time on the clock.

Deeper dry brine: Salt the night before and refrigerate uncovered on a wire rack. Pat dry again before the cook.

No oven, only grill: Run a two-zone fire at 225°F on the cool side to 115°F internal, then move to the hot side for the sear.

Prep Time: 45 minutes
Cook Time: 1 hour 15 minutes

Nutrition

Serving Size: 6 oz steak