Smoked flank steak is one of those dishes that feels special without being fussy. It’s quick to prep, cooks gently, and delivers deep, smoky flavor with a juicy center. The cut is lean and affordable, but when treated right, it’s incredibly tender and satisfying.
Whether you’re feeding friends or just want a standout weeknight meal, this recipe brings big flavor with simple steps.
What Makes This Recipe So Good
- Bold flavor, minimal effort: A simple rub and slow smoke give the steak a rich, beefy taste with a kiss of wood smoke.
- Great texture: Flank steak stays juicy when smoked low and sliced thin against the grain. Expect tender bites every time.
- Fast cook time: Unlike large cuts, flank steak reaches temp quickly, making it perfect for weeknights.
- Versatile serving options: Serve it with chimichurri, tuck it into tacos, or slice it for salads and bowls.
- Lean but satisfying: You get plenty of protein and iron with less fat than many other steak cuts.
What You’ll Need
- 1.5–2 pounds flank steak
- Olive oil (1–2 tablespoons)
- Kosher salt (1.5–2 teaspoons)
- Freshly ground black pepper (1 teaspoon)
- Smoked paprika (1 teaspoon)
- Garlic powder (1 teaspoon)
- Onion powder (1 teaspoon)
- Brown sugar (1 teaspoon, optional for balance)
- Ground cumin (1/2 teaspoon)
- Chili powder (1/2 teaspoon, adjust to preference)
- Wood chips or pellets: Oak, hickory, or cherry work well
- Instant-read thermometer
- Optional finishing: Butter or compound butter, fresh lime, chimichurri, or flaky sea salt
Instructions
- Trim and pat dry: Remove any large surface membranes or excess silver skin from the flank steak. Pat the meat dry so the rub sticks and the surface smokes evenly.
- Make the rub: In a small bowl, combine salt, pepper, smoked paprika, garlic powder, onion powder, brown sugar (if using), cumin, and chili powder.
- Season the steak: Rub a thin layer of olive oil over both sides.
Sprinkle the spice mix evenly and press it in. Let it sit at room temperature for 20–30 minutes while you heat the smoker.
- Preheat the smoker: Bring your smoker to 225–250°F. Add your wood of choice.
Oak gives a classic profile, cherry adds a touch of sweetness, and hickory brings a stronger smoke.
- Smoke the steak: Place the flank steak on the grates. Smoke until the internal temperature reaches 120–125°F for rare or 130–135°F for medium-rare. This usually takes 45–75 minutes, depending on thickness and smoker consistency.
- Optional reverse sear: For a crust, heat a cast-iron skillet or hot grill to high.
Sear the steak for 45–60 seconds per side after smoking. Don’t overdo it—you just want color.
- Rest the meat: Transfer to a board, tent loosely with foil, and rest for 10 minutes. This helps the juices settle.
- Slice against the grain: Identify the grain lines (they usually run lengthwise).
Rotate the steak and slice thinly across the grain at a slight bias. This is key for tenderness.
- Finish and serve: Top with a small pat of butter or a drizzle of olive oil. Add a squeeze of lime or spoon on chimichurri.
Sprinkle flaky salt to taste. Serve with roasted potatoes, grilled vegetables, or warm tortillas.
How to Store
- Refrigerator: Store sliced steak in an airtight container for up to 4 days. Keep any juices to help retain moisture.
- Freezer: Wrap tightly in plastic, then place in a freezer bag.
Freeze for up to 2 months. Thaw overnight in the fridge.
- Reheating: Warm gently in a skillet over low heat with a splash of broth or water, or cover and reheat in a 275°F oven until just warm. Avoid microwaving on high—it can toughen the meat.
Health Benefits
- High-quality protein: Flank steak provides essential amino acids to support muscle repair and satiety.
- Iron and B vitamins: Beef is rich in iron, B12, and niacin, which support energy, brain function, and red blood cell production.
- Lean cut: Compared to fattier steaks, flank offers robust flavor with less saturated fat, especially when trimmed well.
- Customizable seasoning: You control salt and sugar levels, making it easy to fit different dietary needs.
Pitfalls to Watch Out For
- Overcooking: Flank steak turns tough when cooked past medium.
Use a thermometer and pull at your target temp.
- Skipping the rest: Cutting too soon releases juices and dries out the meat.
- Ignoring the grain: Slicing with the grain makes chewy strips. Always cut across it, thinly.
- Too much smoke: Heavy woods or thick, dirty smoke can turn the flavor bitter. Aim for clean, thin blue smoke.
- Uneven thickness: If one end is much thinner, tuck it under slightly so it cooks more evenly.
Alternatives
- Different cuts: Try skirt steak for a looser grain and even bigger beef flavor, or hanger steak for tenderness.
Cook times may vary slightly.
- Marinade option: Swap the dry rub for a marinade of soy sauce, lime juice, garlic, and a touch of honey for 2–6 hours. Pat dry before smoking.
- Spice profiles: Go Tex-Mex with ancho and coriander, or Mediterranean with oregano, lemon zest, and garlic.
- No smoker? Use a grill with a smoker box or foil packet of wood chips over indirect heat. Oven-roast low at 250°F, then finish with a quick sear.
- Sauces: Serve with chimichurri, salsa verde, peppercorn sauce, or a simple garlic-herb butter.
FAQ
What internal temperature is best for flank steak?
Medium-rare is ideal for tenderness and juiciness, around 130–135°F.
If you prefer rare, aim for 120–125°F. Going past medium can make it chewy.
How long does it take to smoke flank steak?
At 225–250°F, expect 45–75 minutes depending on thickness and your smoker’s consistency. Always trust your thermometer over the clock.
Do I need to marinate flank steak?
You don’t have to.
A dry rub and smoke add plenty of flavor. If you like a tangy, tenderizing effect, a short marinade works well—just dry the steak before smoking for good bark.
What wood is best for smoking flank steak?
Oak and cherry are great all-around choices. Hickory is stronger and works if you like a bolder smoke.
Fruit woods like apple are milder and slightly sweet.
Can I make this ahead?
Yes. Smoke, cool, and refrigerate. Slice just before serving and reheat gently.
It’s excellent for meal prep, salads, and sandwiches.
Why is slicing against the grain so important?
Flank has long, tough fibers. Cutting across those fibers shortens them, making each bite tender. Thin slices at a slight angle make a big difference.
How do I know which way the grain runs?
Look for the lines or “stripes” on the surface of the steak.
They usually run lengthwise. Turn the steak so your knife slices perpendicular to those lines.
Can I sear first and then smoke?
You can, but reverse searing (smoke first, sear last) usually gives better control over doneness and a nicer crust without overcooking the interior.
In Conclusion
Smoked flank steak is simple, reliable, and packed with flavor. With a clean rub, gentle smoke, and proper slicing, you get tender, juicy slices that work for tacos, bowls, or a classic steak dinner.
Keep an eye on temperature, rest it well, and finish with something bright like lime or chimichurri. It’s an easy win that feels like a steakhouse moment at home.