Oven-Roasted Salmon with Avocado Cucumber Salsa

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

Tender oven-roasted salmon fillets topped with a refreshing avocado cucumber salsa, balanced with zesty lime and fresh herbs for a Whole30-approved meal. This mediterranean-inspired whole30 (gluten free) ready in about 25 minutes blends (6 oz each) salmon fillets, large avocado, small English cucumber into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 420 calories and feeds 4, so a small batch covers several meals across the week without taking over the fridge. 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 Cook: 15 min Serves 4 Mediterranean cuisine 420 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 400°F. Line a baking sheet with parchment paper. Pat dry 4 salmon fillets (6 oz each) and place skin-side down on the sheet. Drizzle 1 tbsp olive oil and season with 1/2 tsp sea salt and 1/4 tsp black pepper.
  2. Step 2: Roast salmon in the oven for 12-14 minutes until flesh flakes easily with a fork but remains moist.
  3. Step 3: While salmon roasts, dice 1 large avocado and 1 small English cucumber into 1/2-inch cubes. Halve 1 cup cherry tomatoes and finely chop 1/4 small red onion.
  4. Step 4: In a medium bowl, combine diced avocado, cucumber, cherry tomatoes, red onion, 2 tbsp chopped fresh cilantro, 2 tbsp fresh lime juice, 1 tbsp olive oil, 1/2 tsp sea salt, and 1/4 tsp black pepper. Toss gently to mix.
  5. Step 5: Serve each roasted salmon fillet topped generously with the avocado cucumber salsa for a bright and satisfying Whole30 dish.

Frequently asked questions

How long does Oven-Roasted Salmon with Avocado Cucumber Salsa take to make?

Total time is about 25 minutes (10 min prep + 15 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Oven-Roasted Salmon with Avocado Cucumber Salsa?

Transfer to an airtight jar and refrigerate for up to 5–7 days. Most sauces freeze well for up to 2 months — portion into small containers or freezer bags so you can thaw only what you need. Stir before serving; cream- or yogurt-based sauces may separate on standing.

Can I substitute ingredients in Oven-Roasted Salmon with Avocado Cucumber 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 Oven-Roasted Salmon with Avocado Cucumber Salsa 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.

Is Oven-Roasted Salmon with Avocado Cucumber Salsa whole30?

Yes — this recipe is tagged whole30, gluten free, dairy free, paleo based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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