Spicy Tuna Tataki with Avocado Salsa
Sear-tender tuna steak served with a vibrant avocado salsa, featuring a kick of jalapeño and fresh lime. This Japanese-inspired seafood recipe (high-protein, gluten-free), ready in about 20 minutes, pairs Tuna steak, Avocado, Red onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 450 calories and feeds 2, so it slots cleanly into a weekly meal plan and pairs well with rice, quinoa, or a quick salad. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 1 lb Tuna steak
- 1 medium Avocado
- 2 tbsp Red onion
- 1/4 cup Cilantro
- 1 Lime
- 1/2 Jalapeño
- 1 tsp Sesame oil
- 1/2 tbsp Soy sauce
- 1/4 tsp Black pepper
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Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: Season 1 lb sushi-grade tuna steak with 1/4 tsp black pepper and 1/2 tbsp soy sauce. Heat a cast-iron skillet over high heat until smoking hot.
- Step 2: Sear tuna for 1 minute per side for medium-rare; remove from pan and let rest for 5 minutes.
- Step 3: While tuna rests, combine 1 medium diced avocado, 2 tbsp finely diced red onion, 1/4 cup chopped cilantro, juice of 1 lime, 1/2 seeded and minced jalapeño, and 1 tsp sesame oil in a bowl.
- Step 4: Slice rested tuna thinly against the grain. Serve immediately with avocado salsa spooned over the top.
Frequently asked questions
How long does Spicy Tuna Tataki with Avocado Salsa take to make?
Total time is about 20 minutes (15 min prep + 5 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Spicy Tuna Tataki with Avocado Salsa?
Refrigerate in a covered airtight container for up to 3–4 days (FDA FoodKeeper guideline for cooked fish). Store any fresh salsa or citrus-based garnish in a separate container — it keeps for up to 2 days. Freeze cooked fish (without fresh garnishes) for up to 3 months; thaw overnight in the fridge and reheat gently at 275°F until just warmed through to preserve texture.
Can I substitute ingredients in Spicy Tuna Tataki with Avocado Salsa?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Spicy Tuna Tataki with Avocado Salsa for a different number of people?
The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
Is Spicy Tuna Tataki with Avocado Salsa high-protein?
Yes — this recipe is tagged high-protein, gluten-free based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
What others are saying
- ★★★★☆
Very good for a 5-minute recipe. Would bump up the spice level though.
- ★★★★☆
Very good for a 5-minute recipe. Would bump up the spice level though.
- ★★★★☆
Almost perfect — just needed a squeeze of lemon at the end.






