Pan-Seared Zucchini and Red Onion Salad with Parsley Vinaigrette
A fresh and lightly cooked salad featuring pan-seared zucchini and red onion tossed in a bright parsley vinaigrette, perfect as a regional summer side dish. This mediterranean-inspired salads (vegetarian) ready in about 18 minutes pairs zucchini, red onion, olive oil into a side that holds its own next to almost any main — bright, balanced, and quick enough to slot into a weeknight plate. Each serving lands at about 140 calories and feeds 4, so it slots cleanly next to roasted proteins, grain bowls, or weeknight mains. 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
- 2 medium, sliced into 1/4-inch rounds zucchini
- 1 medium, thinly sliced red onion
- 3 tbsp, divided olive oil
- 1/4 cup, finely chopped fresh parsley
- 2 tbsp lemon juice
- 1 tsp honey
- 3/4 tsp salt
- 1/2 tsp black pepper
- 2 tbsp (optional) toasted pine nuts
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Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: Heat 2 tbsp olive oil in a large nonstick skillet over medium-high heat. Add 2 medium zucchini sliced into 1/4-inch rounds and 1 thinly sliced medium red onion. Sauté for 6-7 minutes, stirring occasionally, until zucchini is golden at edges and onions are translucent and caramelized.
- Step 2: Meanwhile, whisk together 1 tbsp olive oil, 1/4 cup finely chopped fresh parsley, 2 tbsp lemon juice, 1 tsp honey, 3/4 tsp salt, and 1/2 tsp black pepper in a small bowl to create the vinaigrette.
- Step 3: Transfer the warm zucchini and onion mixture to a large bowl. Pour the parsley vinaigrette over the vegetables and toss gently to coat evenly.
- Step 4: Sprinkle 2 tbsp toasted pine nuts on top for crunch if desired. Serve the salad warm or at room temperature.
Frequently asked questions
How long does Pan-Seared Zucchini and Red Onion Salad with Parsley Vinaigrette take to make?
Total time is about 18 minutes (10 min prep + 8 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 Pan-Seared Zucchini and Red Onion Salad with Parsley Vinaigrette?
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 zucchini from drying out.
Can I substitute ingredients in Pan-Seared Zucchini and Red Onion Salad with Parsley Vinaigrette?
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 Pan-Seared Zucchini and Red Onion Salad with Parsley Vinaigrette 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 Pan-Seared Zucchini and Red Onion Salad with Parsley Vinaigrette vegetarian?
Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.








