No-Cook Avocado Tuna Salad

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A protein-packed lunch that requires zero cooking, with creamy avocado and zesty lemon. Perfect for meal prep. This American-inspired salad recipe, ready in about 10 minutes, pairs tuna, avocado, red onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 calories and feeds 2, 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.

Prep: 10 min Serves 2 American cuisine 350 cal/serving
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Ingredients

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Instructions

  1. Step 1: Drain 1 can (5 oz) tuna thoroughly and place in a bowl. Add 1 ripe avocado (diced), 1/4 cup finely chopped red onion, and 1 lemon (juiced).
  2. Step 2: Whisk 2 tbsp olive oil and 1 tbsp fresh dill into the bowl. Season with salt and pepper, then mix gently until combined without mashing the avocado.
  3. Step 3: Chill for 30 minutes before serving on whole-grain bread or with vegetable sticks for a refreshing, no-cook meal.

Frequently asked questions

How long does No-Cook Avocado Tuna Salad take to make?

Total time is about 10 minutes (10 min prep + 0 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 No-Cook Avocado Tuna Salad?

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 No-Cook Avocado Tuna Salad?

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 No-Cook Avocado Tuna Salad 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.

What goes well with No-Cook Avocado Tuna Salad?

American salads 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.

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