The Ultimate Whole Picanha on the Ninja FlexFlame

The Ultimate Whole Picanha on the Ninja FlexFlame

Servings: 4 Total Time: 14 hrs 45 mins Difficulty: Intermediate Smoke & Sear Fav. Smoke & Sear Fav.
Reverse Seared with FOURGE FIRE Rub

If you want a proper bit of beef for the BBQ, picanha is hard to beat. It’s got big bold flavour, a thick fat cap, and when you cook it right, it turns into one of those show-off cuts that makes everyone hover round the chopping board. This method is built specifically for the Ninja FlexFlame, which throws heat a bit differently from a kettle or charcoal pit. So rather than fighting the grill, we use it to our advantage. The plan is simple: dry brine overnight, smoke it low and slow, then finish with a ripping hot reverse sear. That gives you a juicy pink middle, a fully rendered fat cap, and a cracking crust without burning the rub. Proper beef. Proper fire. No messing about.

The Ultimate Whole Picanha on the Ninja FlexFlame

Prep Time 13 hrs Cook Time 1.5 hr Rest Time 15 mins Total Time 14 hrs 45 mins
Difficulty: Intermediate Cooking Temp: 115  C Servings: 4 Estimated Cost: £ 35 Calories: Approximately 450-550 per serving Best Season: Summer, Spring

Ingredients

Instructions

  1. Step 1: Dry Brine Overnight

    Lightly season the whole picanha all over with kosher salt, then place it uncovered in the fridge overnight. This gives the salt time to work its way into the meat, helping it stay better seasoned all the way through. It also improves moisture retention and dries the surface slightly, which sets you up for a much better crust later on.

  2. Step 2: Take the Chill Off

    Remove the picanha from the fridge about 1 hour before cooking. Letting it warm slightly helps it cook more evenly from edge to centre. Throwing it on fridge-cold can lead to thicker grey bands, slower fat rendering, and a less even finish.

  3. Step 3: Score the Fat Cap

    Using a sharp knife, score the fat cap in a cross-hatch pattern, making diamonds roughly 1-1.5 cm wide. Only cut through the fat, not into the meat. This helps the seasoning get into the fat, increases the surface area, and allows the fat cap to render more evenly without shrinking up like it’s had a fright.
  4. Step 4: Season the Fat Cap

    Rub coarse salt directly into the scored fat cap. This boosts flavour and helps pull moisture from the surface, which encourages better crisping during the final sear. Keep it simple here because the fat is already doing plenty of heavy lifting in the flavour department.

  5. Step 5: Apply the Rub

    Coat the meat side and edges evenly with FOURGE FIRE BBQ Rub. Leave the fat cap mostly as salted fat rather than covering it heavily in rub. That’s the smart play, because when that fat starts rendering over high heat, too much rub on the fat side can catch and scorch.

  6. Step 6: Probe It Properly

    Insert a temperature probe into the thickest part of the meat, aiming for the centre of the thickest muscle. With a whole picanha, internal temperature matters more than guesswork. This cut rewards precision, so don’t go cowboy on it.

  7. Step 7: Set Up the Ninja FlexFlame

    Set the Ninja FlexFlame to SMOKE mode at 115°C and fill the pellet hopper with All Purpose blend pellets. This lower temperature gives you gentle heat, steady smoke, and enough time for the fat to start rendering without hammering the outside too early.
  8. Step 8: Place It Fat Cap Down

    Put the picanha in the centre of the grill with the fat cap facing down. On the FlexFlame, the centre burner stays inactive in SMOKE mode, which creates a nice indirect zone. Because the heat source sits closer to the grate than some other BBQs, the fat cap works like a built-in shield and protects the meat side while it cooks.

  9. Step 9: Smoke Until Nearly Done

    Close the lid and cook the picanha until the internal temperature reaches 52-53°C. This slow stage is where the smoke flavour builds, the fat starts softening, and the meat cooks evenly. Pulling it at this point gives you room for the final sear and carryover cooking without overshooting the doneness.

  10. Step 10: Switch to High Heat

    Take the picanha off the grill and switch the FlexFlame to GRILL mode at around 270°C. Let it fully preheat before the meat goes back on. This is the temperature sweet spot for building crust, crisping the fat, and caramelising the rub without turning the whole thing into a flare-up festival.
  11. Step 11: Reverse Sear for the Finish

    Place the picanha back on the grill, starting again with the fat cap down. Sear for 60-90 seconds until the fat is sizzling, blistering, and taking on colour. Flip it over and sear the meat side for another 45-60 seconds. Rotate as needed to dodge hot spots. Your final internal temperature should land around 56-58°C for a juicy pink centre.
  12. Step 12: Let It Rest

    Remove the picanha from the grill and rest it for 10-12 minutes. This gives the juices time to settle back into the meat and lets the carryover heat finish the job gently. Slice too early and all that lovely juice ends up on the board instead of in your gob.
  13. Step 13: Slice It the Right Way

    First, slice the picanha with the grain into thick steaks. Then turn those steaks and slice against the grain into serving pieces. This two-stage slicing method shortens the muscle fibres and makes each bite far more tender. Don’t skip this bit, because even perfectly cooked picanha can eat chewy if you carve it wrong.
  14. Step 14: Optional Final Dusting

    For an extra hit of flavour, give the sliced meat a light dusting of FOURGE FIRE rub just before serving. The heat from the meat lifts the aroma and gives you a fresh pop of spice right at the finish.

Equipment

  • Ninja FlexFlame

Affiliate Disclosure: This post may contain affiliate links. If you buy a product using these links, we get a commission at no extra cost to you. Your support helps keep the BBQ magic alive, and we thank you in advance!

Note

Serve it as it is, or pair it with chimichurri, grilled flatbreads, crispy potatoes, or a sharp salad if you want to turn it into a full spread.

Keywords: whole picanha, ninja flexflame, reverse seared picanha, smoked picanha, FOURGE FIRE rub, dry brined beef, ninja bbq recipe, beef roast bbq, picanha on gas grill, reverse sear beef
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Porchetta and a whole roast chicken cooked on the Ninja FlexFlame 🔥

Roast mode holding steady and delivering some seriously crispy crackling.

The real star though is this beautiful porchetta from @thecateringbutcher — absolutely spot on.

What should I cook next?

FlexFlame provided by @ninjakitchenuk for content creation.
Two big @thecateringbutcher tomahawk steaks cooked hot and fast on the Ninja FlexFlame 🔥🥩

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47 today . . . Perfect excuse to chuck a rack of ribs on and get stuck in for a cheeky little birthday treat.

Back in 2024 Ninja flew me out to Nashville for the US launch of the FlexFlame, and it’s only just properly landed here in the UK. So today wasn’t about polished content — it was about getting familiar with it again and making sure everything’s running sweet.

After all . . . I did build it myself 😅

Meaty spare ribs from @thecateringbutcher coated in @harry_js_bbq Smoky Cola rub. Couple of hours in the smoke, wrapped in butter, sugar and honey, then finished off with a sticky glaze.

All while standing out there in the snow of all things ❄️🔥

Disclaimer:  The FlexFlame was sent to me by @ninjakitchenuk and I’ll be creating some official content with it very soon.
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