BJ's Brewhouse Ahi Tuna Salad Recipe: Seared Rare Perfection With Sesame-Ginger Zing

BJ's Brewhouse Ahi Tuna Salad delivers restaurant-quality seared rare tuna with a bold sesame-ginger dressing that elevates every bite. The secret lies in perfectly searing the tuna—just 2 minutes per side over high heat—to maintain that signature rare center while creating a caramelized crust.

This isn't your average tuna salad; it's a dish that balances rich, buttery tuna with bright, aromatic flavors that make it feel like a special occasion.

The foundation starts with high-quality ahi tuna, sliced into precise medallions that cook evenly and hold their shape. A quick marinade of sesame oil, fresh ginger, and a touch of soy sauce infuses the tuna with depth before it hits the pan.

Meanwhile, the salad base—a mix of crisp butter lettuce and peppery arugula—provides the perfect textural contrast to the tender tuna. The dressing ties everything together, blending creamy mayo with zesty lime, toasted sesame seeds, and a hint of sriracha for a kick that lingers.

What you end up with is a dish that's visually stunning and packed with flavor—golden seared tuna atop vibrant greens, drizzled with a glossy dressing that glistens under the light. The sesame-ginger notes cut through the richness of the tuna, creating a perfect balance that's both elegant and satisfying.

This is the kind of salad that makes you feel like you're dining at a high-end restaurant, without the fuss.

Serve it on a chilled platter for a summer gathering or as an elegant appetizer for dinner guests. The recipe scales easily, so you can adjust the portions to feed a crowd or enjoy a smaller, more intimate meal. Ready to recreate this restaurant favorite at home? Let's get started.

Ingredients for bj's brewhouse ahi tuna salad

High-quality tuna, crisp greens, and bold sesame-ginger flavors make this salad restaurant-worthy at home.

The tuna is everything here. Sushi-grade ahi is non-negotiable—look for it at Whole Foods or your local seafood counter, where they'll slice it fresh for you. If you're buying whole, ask for 0.5-inch medallions—they cook faster and stay rare inside. The greens? Butter lettuce and arugula are the perfect mix: crisp yet tender, with that peppery bite. I always grab organic arugula from the grocery store's refrigerated section—it lasts longer than the pre-washed bags. For the sesame oil, Kadoya is my go-to brand—it's toasted just right, not bitter.

No sesame oil? Substitute toasted sesame paste thinned with water—it's the same flavor, just thicker. Fresh ginger is ideal, but powdered works in a pinch at half the amount. The mayo can be homemade (I use Duke's for its rich texture) or store-bought, but avoid the light versions—they lack fat and flavor. For the lime juice, Mexican limes are brighter than Persian, but any will do. The avocado oil is key for searing—Mazola is my favorite, but any high-smoke-point oil works. Want less heat? Skip the sriracha or use less spicy chili crisp instead.

Marinate the tuna for 10-15 minutes max—longer and it gets mushy. The greens should be washed and dried right before serving to keep them crisp. This salad holds up for 2 hours in the fridge, but the tuna starts to oxidize after that—best served fresh. For a crowd, double the dressing and greens, but keep the tuna portioned separately until serving. The lemon wedges? Squeeze them over each plate at the last minute for that fresh, bright finish.

Step-by-step instructions for seared ahi tuna salad

This method delivers restaurant-quality seared ahi tuna with that signature BJ's sesame-ginger zing.

In a small bowl, whisk together the 1 tablespoon sesame oil, 1 tablespoon finely grated fresh ginger, 1 tablespoon soy sauce, and 1 teaspoon sriracha until fully combined. This marinade packs a punch with its aromatic ginger and subtle heat from the sriracha, which will infuse the tuna beautifully. Let it sit at room temperature while you prep the rest of your ingredients.

Here's the thing—this marinade isn't just for flavor. The ginger helps tenderize the tuna slightly while the sesame oil adds that signature nutty aroma that makes this dish so distinctive. Don't skip the sriracha unless you prefer a completely mild flavor profile, but I promise the balance is perfect for this recipe.

Heat the 1 tablespoon avocado oil in a large skillet over medium-high heat until shimmering. Working in batches if needed, add the 1 lb ahi tuna steak sliced into 0.5-inch medallions and sear for 1 minute per side for medium-rare, or until the edges are just beginning to brown. The center should remain cool to the touch—this is key for perfect rare doneness.

Don't walk away during this step. You want those beautiful sear marks without overcooking the delicate tuna. I press down gently on the fillets during the first minute to prevent curling, which ensures even contact with the pan. When the edges are golden brown but the center still feels slightly cool, it's time to remove them from the heat.

In a large mixing bowl, combine the 4 cups butter lettuce and 2 cups arugula. Gently toss with 2 tablespoons lime juice and 0.5 teaspoon salt. The lime juice brightens the greens and balances the richness of the tuna, while the salt helps draw out moisture for a crisp texture. Set aside while you prepare the dressing.

Here's where it gets fun—tossing the greens with lime juice right away prevents them from wilting under the tuna's weight later. The butter lettuce adds delicate crunch while the arugula brings peppery depth. I like to use my hands for this step to ensure everything gets evenly coated with that zesty lime dressing.

In a separate bowl, whisk together the 0.5 cup mayonnaise, remaining 0.25 teaspoon black pepper, and any remaining 1 tablespoon sesame oil from the marinade. This creamy dressing binds everything together while adding another layer of sesame flavor. The pepper enhances the tuna's natural richness without overpowering it.

This is the moment that matters: the dressing should be smooth and well-emulsified. If it looks too thick, add 1 teaspoon lime juice to loosen it slightly. The mayonnaise acts as a bridge between the greens and the tuna, creating that perfect creamy texture that makes this salad so satisfying. Don't skip the pepper—it's what elevates this from basic to exceptional.

Arrange the lettuce and arugula on serving plates, dividing evenly among 4 servings. Spoon the creamy dressing over the greens, then place the seared ahi tuna medallions on top. Drizzle any remaining marinade from the skillet over the tuna for extra flavor. Finish with 1 tablespoon toasted sesame seeds and serve immediately with the 2 whole lemon wedges on the side.

Each bite should deliver perfectly seared tuna with that signature sesame-ginger zing, creamy dressing that clings beautifully to the greens, and a bright pop of citrus from the lemon wedges. The toasted sesame seeds add a satisfying crunch that contrasts wonderfully with the tender tuna and crisp greens. Serve with crusty bread or crackers to soak up any extra dressing—this salad is best enjoyed fresh and immediately.

Storing and reheating your leftovers

Tuna Freshness

Store your sushi-grade ahi tuna in an airtight container on ice in the fridge for no more than 2 hours before cooking. The medallions should stay cool but not frozen—this preserves their delicate texture. If prepping ahead, keep the tuna and greens completely separate until serving to prevent sogginess.

I always slice the tuna fresh at home or buy it pre-sliced from the seafood counter at Whole Foods—their butcher will cut it to 0.5-inch thickness for perfect searing. 🐟

Dressing Storage

Prepare the sesame-ginger dressing up to 1 day ahead and store it in an airtight container in the fridge. The flavors meld beautifully overnight, intensifying that nutty sesame aroma. When reheating, whisk vigorously to re-emulsify—add 1 teaspoon lime juice if it separates.

The mayo-based dressing reheats well but loses some texture, so I prefer making it fresh when possible for maximum creaminess.

Greens Prep

Wash and dry your butter lettuce and arugula just before assembling—never store them wet. Keep the greens in a separate container from the tuna and dressing. For best texture, store the greens in a single layer on a paper towel-lined plate, covered with plastic wrap.

This prevents wilting while maintaining crispness. I like to portion the greens into individual serving containers for easy assembly when ready to serve. 🥬

Reheating Tuna

If you must reheat the seared tuna, use a non-stick skillet over low heat for 30-45 seconds per side—just enough to warm through. Never microwave, as it turns the tuna rubbery. For a quick fix, serve the tuna cold over fresh greens with extra dressing.

The dressing and greens can be reheated separately, but the tuna is best enjoyed at room temperature or slightly warmed. Always add lemon wedges fresh at serving time for that bright citrus pop. 🍋

Make-Ahead Strategy

For maximum flavor without sacrificing freshness, prepare everything except the final assembly 1 day ahead. Store the marinade, dressing, and tuna separately in airtight containers. When ready to serve, sear the tuna fresh, toss the greens with lime juice, and assemble just before eating.

This approach gives you restaurant-quality results with minimal last-minute effort. Pro tip: Keep your avocado oil and sesame seeds in small jars in the fridge—they stay fresh longer and are ready to use. ✨

Frequently asked questions