Cedar-Plank Grilled Swordfish Steaks with Warm Olive-Tomato Tapenade and Charred Fennel-Orange Salad
Thick swordfish steaks are marinated, grilled on a soaked cedar plank for a gentle smoky crust, and finished with a warm olive‑tomato tapenade. A bright charred fennel‑orange salad provides crisp, citrus contrast for a balanced, restaurant‑style grill dinner.

Ingredient Spotlight
Cedar plank (6 x 12 inches), soaked
A thin plank of cedar wood used for grilling or roasting to infuse a mild, aromatic smoky flavor into fish and meats; the technique is associated with Pacific Northwest and Indigenous cooking traditions. The plank itself has a warm, resinous, woodsy scent that translates subtly into the food during cooking. Find cedar planks at BBQ stores, specialty grocers, or online; as a substitute use soaked hardwood planks like alder or maple, or mimic the effect with soaked wood chips in a smoker box or a foil pouch on the grill.
Ingredient Spotlight
Kalamata olives
A dark purple, almond-shaped olive from the Kalamata region of Greece, commonly sold pitted or in brine; they have a rich, fruity, tangy and slightly bitter flavor that’s more pronounced than typical black olives. Widely used in Mediterranean cooking (salads, tapenades, sauces) and sold in jars or at olive bars in most supermarkets and specialty stores. Substitute oil-cured black olives such as Gaeta or Niçoise, or use milder Castelvetrano olives plus a splash of vinegar or lemon if you need more acidity.
Ingredient Spotlight
Capers
Pickled unopened flower buds from the caper bush, common in Mediterranean and Middle Eastern cuisines; they deliver a sharp, salty, and lemony brininess that lifts sauces, salads, and fish dishes. Sold jarred in brine (look in the condiment or international aisle) and sometimes salted or packed in vinegar. Substitutes include chopped green olives or cornichons, or a combination of lemon zest plus a little olive brine to mimic the tang and saltiness; caperberries are a larger, similar alternative.
Jake Woods's note
"This cedar‑plank method gives swordfish a subtle smoky aroma without overpowering its meaty texture. It’s great for weekend dinners or when you want an impressive grilled main with a bright, quick salad on the side."
About This Recipe
This cedar-plank grilled swordfish is built around contrasts: dense, meaty steaks that hold up to a smoky, gently seared exterior; a warm olive‑tomato tapenade that brings saline, sweet and savory intensity; and a charred fennel‑orange salad that cuts through the richness with bright citrus and crisp anise. Soaking the cedar and starting the plank over direct heat gives the steaks a soft, aromatic smoke without the harshness of an open flame, while the short olive oil–lemon marinade seasons without breaking down the flesh, preserving the steak’s clean, oceanic texture.
It’s the sort of main course that reads elegant on a weeknight but performs just as well for a backyard dinner party: the tapenade can be cooked ahead and warmed, the fennel benefits from a quick char at service time, and the plank creates an impressive presentation with minimal fuss. This version leans Mediterranean—anchored by kalamatas and capers—so it pairs well with simple, vegetal sides and bright herbs; it’s for cooks who like to balance technique with flavor-forward simplicity rather than fussing with complicated sauces or long marinades.
Ingredients for Cedar-Plank Grilled Swordfish Steaks with Warm Olive-Tomato Tapenade and Charred Fennel-Orange Salad
- 1 piece (6x12 in) Cedar plank (6 x 12 inches), soaked
- 4 steaks (6–8 oz / each) Swordfish steaks
- 1/3 cup Extra‑virgin olive oil
- 2 tablespoons Fresh lemon juice
- 3 cloves Garlic, minced
- 1 1/2 teaspoons (total: 1 tsp smoked paprika, 1 tsp salt, 1/2 tsp pepper) Seasoning mix (smoked paprika, kosher salt & black pepper)
- 1 3/4 cups (combined) Kalamata olives, cherry tomatoes & capers (pitted olives, tomatoes halved)
- 1 small shallot + 2 tbsp parsley Shallot & fresh parsley (minced shallot + chopped parsley)
- 1 large fennel + 1 orange Fennel bulb & navel orange (for salad)
- 1 tablespoon Red wine vinegar
How to Make Cedar-Plank Grilled Swordfish Steaks with Warm Olive-Tomato Tapenade and Charred Fennel-Orange Salad
Step 1: Soak plank and preheat grill
Cover the cedar plank with cold water and weigh it down; soak at least 30 minutes while you prep other components. Light one area of a gas grill or build a two‑zone fire on charcoal so you have a medium‑high direct heat (about 400–450°F / 200–230°C) and a cooler indirect area.For this step
- 1 piece (6x12 in)Cedar plank (6 x 12 inches), soaked
Step 2: Make the marinade and marinate swordfish
Whisk together the olive oil, lemon juice, minced garlic and the seasoning mix (smoked paprika, salt and pepper). Pat the swordfish dry, brush both sides generously with the marinade, and let rest in the refrigerator 15–20 minutes while the plank soaks — do not overmarinate so the fish stays firm.For this step
- 4 steaks (6–8 oz / each)Swordfish steaks
- 1/3 cupExtra‑virgin olive oil
- 2 tablespoonsFresh lemon juice
- 3 clovesGarlic, minced
- 1 1/2 teaspoons (total: 1 tsp smoked paprika, 1 tsp salt, 1/2 tsp pepper)Seasoning mix (smoked paprika, kosher salt & black pepper)
Step 3: Prepare the warm olive‑tomato tapenade
Heat a skillet over medium with a tablespoon of olive oil; add the minced shallot and cook until translucent, about 1–2 minutes. Add the combined kalamata olives, halved cherry tomatoes and capers, stirring until tomatoes begin to soften and release juices, 3–4 minutes; remove from heat and stir in chopped parsley and a squeeze of lemon to taste — keep warm.For this step
- 1 3/4 cups (combined)Kalamata olives, cherry tomatoes & capers (pitted olives, tomatoes halved)
- 1 small shallot + 2 tbsp parsleyShallot & fresh parsley (minced shallot + chopped parsley)
Step 4: Make the charred fennel‑orange salad
Trim and thinly slice the fennel bulb; segment the orange and reserve any juice. Toss fennel with a drizzle of olive oil, the red wine vinegar, a pinch of salt and the orange segments. Char the fennel quickly on a hot grill grate (or cast iron pan) 1–2 minutes per side until lightly blackened, then toss again with the dressing so the warm char mellows the fennel and brightens the citrus.For this step
- 1 large fennel + 1 orangeFennel bulb & navel orange (for salad)
- 1 tablespoonRed wine vinegar
Step 5: Grill swordfish on the cedar plank
Place the soaked cedar plank over direct medium‑high heat and close the lid; after the plank begins to smoke (about 3–5 minutes) move it to indirect heat and place the marinated swordfish on the plank. Close the lid and grill with indirect heat until the fish is opaque and just flakes at the center, about 8–10 minutes depending on thickness; rotate the plank once for even smoke.Step 6: Finish and plate
Transfer the plank to a heatproof surface; spoon the warm olive‑tomato tapenade over each swordfish steak and let rest 2 minutes. Serve each fillet with a generous portion of charred fennel‑orange salad alongside — garnish with extra chopped parsley and a lemon wedge if desired.
- Cover the cedar plank with cold water and weigh it down; soak at least 30 minutes while you prep other components. Light one area of a gas grill or build a two‑zone fire on charcoal so you have a medium‑high direct heat (about 400–450°F / 200–230°C) and a cooler indirect area.
- Whisk together the olive oil, lemon juice, minced garlic and the seasoning mix (smoked paprika, salt and pepper). Pat the swordfish dry, brush both sides generously with the marinade, and let rest in the refrigerator 15–20 minutes while the plank soaks — do not overmarinate so the fish stays firm.
- Heat a skillet over medium with a tablespoon of olive oil; add the minced shallot and cook until translucent, about 1–2 minutes. Add the combined kalamata olives, halved cherry tomatoes and capers, stirring until tomatoes begin to soften and release juices, 3–4 minutes; remove from heat and stir in chopped parsley and a squeeze of lemon to taste — keep warm.
- Trim and thinly slice the fennel bulb; segment the orange and reserve any juice. Toss fennel with a drizzle of olive oil, the red wine vinegar, a pinch of salt and the orange segments. Char the fennel quickly on a hot grill grate (or cast iron pan) 1–2 minutes per side until lightly blackened, then toss again with the dressing so the warm char mellows the fennel and brightens the citrus.
- Place the soaked cedar plank over direct medium‑high heat and close the lid; after the plank begins to smoke (about 3–5 minutes) move it to indirect heat and place the marinated swordfish on the plank. Close the lid and grill with indirect heat until the fish is opaque and just flakes at the center, about 8–10 minutes depending on thickness; rotate the plank once for even smoke.
- Transfer the plank to a heatproof surface; spoon the warm olive‑tomato tapenade over each swordfish steak and let rest 2 minutes. Serve each fillet with a generous portion of charred fennel‑orange salad alongside — garnish with extra chopped parsley and a lemon wedge if desired.
Cedar-Plank Grilled Swordfish Steaks with Warm Olive-Tomato Tapenade and Charred Fennel-Orange Salad Tips
Soak the plank thoroughly
Soak the cedar at least 30 minutes (up to 2 hours) and weigh it down so it releases smoke slowly; a bone-dry plank will ignite and burn too fast.
Pat fish completely dry
Dry swordfish before marinating so the oil‑lemon mixture clings and the surface sears evenly rather than steaming.
Manage two heat zones
Start the plank over direct heat to generate smoke, then move to indirect heat for gentle cooking so the steak cooks through without charring the outside.
Flip only once
Resist flipping—turn the steak only once for an even crust and to keep the flesh intact; use a thin spatula to lift gently.
Serve tapenade warm
Keep the olive‑tomato tapenade warm off the heat and spoon it over the fish right before plating so it keeps its glossy texture and aromatic breadth.
Cedar-Plank Grilled Swordfish Steaks with Warm Olive-Tomato Tapenade and Charred Fennel-Orange Salad Variations and Substitutions
Use salmon or tuna
Swap swordfish for 1‑inch salmon or tuna steaks and shorten grill time; the plank and tapenade work equally well with these fattier fish.
Vegetarian grilled option
Replace fish with thick grilled eggplant or halloumi slices; cook longer for eggplant until tender and treat halloumi like the steaks, finishing with the warm tapenade.
Make it spicier
Add a pinch of crushed red pepper or a chopped Calabrian chili to the tapenade for heat, or sprinkle the marinade with cayenne for a furtive kick.
Citrus-herb twist
Swap parsley for chopped basil and mint in the tapenade and toss the fennel salad with orange zest and a splash of white balsamic for a fresher herbaceous profile.
How to Store and Make Cedar-Plank Grilled Swordfish Steaks with Warm Olive-Tomato Tapenade and Charred Fennel-Orange Salad Ahead
Store components separately: place leftover swordfish and warm tapenade in airtight containers and refrigerate for up to 2–3 days, while the tapenade will keep 3–4 days. The charred fennel‑orange salad is best same day; if storing, keep the citrus and fennel apart and combine just before serving to preserve texture. Reheat fish gently on a low oven (250–300°F / 120–150°C) for 8–10 minutes or briefly on the grill—avoid high heat which overcooks the steak.
What to Serve With Cedar-Plank Grilled Swordfish Steaks with Warm Olive-Tomato Tapenade and Charred Fennel-Orange Salad
Serve with grilled asparagus or blistered cherry tomatoes and a lemony herbed couscous or new potatoes to soak up the tapenade juices. For wine, choose a crisp white like Vermentino or Albariño, or a citrusy gin-and-tonic if you prefer cocktails. Plate the fish on the plank for drama or on warm plates, spooning the tapenade over the center and arranging the fennel‑orange salad to one side with a scattering of parsley and a lemon wedge.
Cedar-Plank Grilled Swordfish Steaks with Warm Olive-Tomato Tapenade and Charred Fennel-Orange Salad FAQs
How long should I soak the cedar plank?
At least 30 minutes is sufficient to produce smoke without catching, though 1–2 hours is fine for a stronger aromatic. Don’t leave it soaking so long that it becomes waterlogged and soggy—drain and pat lightly before placing on the heat.
What internal temperature is best for swordfish?
Aim for 130–135°F (54–57°C) for a moist, slightly opaque center; the USDA recommends 145°F for fully cooked fish, so raise to that if you prefer well‑done.
Can I skip the cedar plank and still get good results?
Yes—place the steaks over indirect heat on a well-oiled grill grate or cook on a preheated cast iron skillet, then finish briefly over high heat for color; add a small handful of soaked wood chips to a smoker box for extra smoke.
How do I prevent the swordfish from sticking?
Make sure the plank or grill grate is well‑oiled and properly preheated, pat the fish dry, and flip only once using a thin spatula to avoid tearing the flesh.
Can the tapenade be made ahead?
Yes—the tapenade can be cooked up to 3 days ahead and refrigerated; warm it gently before spooning over the steaks to refresh the flavors and loosen the oils.
Why char the fennel briefly?
A quick char softens the raw bite of fennel, adds a smoky nuance that complements the cedar smoke, and creates texture contrast with the meaty fish and saucy tapenade.
About the author
Jake WoodsHello, I'm Jake. I started this recipe site with the idea that I hated recipe websites that overwhelm you with long stories and ads just to see plain content that's not helpful. My goal is to provide you with quality recipes, simple ideas and a fun cooking experience. There's lots of fun things to cook, and I think as you browse the site you'll find that TopShelf.Recipes is the place for quality recipes on the web.
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Nutrition Facts
Per serving: 1 steak
Nutrition values are estimated from USDA ingredient data and may vary based on preparation, brands, and portion sizes. Values are provided for informational purposes only.
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