Fresh Tuna Crostini
Crispy bread topped with seared tuna, avocado, and a zesty lemon-herb sauce for a refreshing appetizer or light dinner. This japanese-inspired seafood ready in about 27 minutes pairs day-old bread, (4 oz), drained tuna, medium, mashed avocado for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 280 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. 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
- 4 slices day-old bread
- 1 can (4 oz), drained tuna
- 1 medium, mashed avocado
- 1 small, zest and juice lemon
- 1 tbsp, chopped dill
- 1 tbsp olive oil
- 1/4 tsp salt
- 1/8 tsp black pepper
Instructions
- Step 1: Preheat oven to 350°F (175°C). Brush 4 slices of day-old bread with 1 tbsp olive oil and place on a baking sheet. Bake for 10-12 minutes until golden and crisp.
- Step 2: In a small bowl, combine 1 can drained tuna, 1 mashed avocado, 1 tbsp chopped dill, 1/4 tsp salt, and 1/8 tsp black pepper. Mix until smooth.
- Step 3: Spread the tuna-avocado mixture evenly over the toasted bread slices. Garnish with lemon zest and a drizzle of lemon juice. Serve immediately.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Fresh Tuna Crostini take to make?
Total time is about 27 minutes (15 min prep + 12 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 Fresh Tuna Crostini?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep day-old bread from drying out.
Can I substitute ingredients in Fresh Tuna Crostini?
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 Fresh Tuna Crostini for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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.
What goes well with Fresh Tuna Crostini?
Japanese seafood like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
What others are saying
- ★★★★☆
My family liked it. I personally would prefer more depth of flavor.
- ★★★★☆
Solid recipe. Not groundbreaking but definitely making it again.
- ★★★★☆
Good flavors but the sauce was a bit thin. I'd reduce it longer.