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Charred Corn and Roasted Red Onion Salad with Avocado and Cilantro Recipe

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3.9 from 25 reviews

This vibrant Charred Corn Avocado Salad with Roasted Red Onions is a refreshing blend of smoky grilled corn, sweet roasted onions, juicy grape tomatoes, and creamy avocado. Tossed in a tangy lemon Dijon dressing and sprinkled with fresh cilantro, this salad offers a perfect balance of flavors and textures ideal for a light lunch or a colorful side dish.

Ingredients

Vegetables

  • 2 red onions
  • 3 corn on the cobs
  • 200 g red grape tomatoes
  • 200 g yellow grape tomatoes
  • 1 avocado
  • ¼ bunch cilantro (coriander)
  • Salt, to taste
  • Pepper, to taste

Oils and Dressing

  • 2 tbsp olive oil (divided: 2 tbsp for roasting and grilling and 2 tbsp for dressing)
  • 2 tsp lemon juice
  • 1 tbsp Dijon mustard
  • 1 tbsp maple syrup

Instructions

  1. Preheat Oven: Preheat your oven to 200°C (400°F) to prepare for roasting the red onions.
  2. Roast Red Onions: Slice the red onions in half lengthwise with skins on, keeping them intact through the root. Place them cut side down on an oven tray, drizzle with 1 tbsp olive oil, season with sea salt, and roast on a lower rack for 30 minutes until soft and caramelized. Allow to cool, then peel off the skin and slice into 1cm thick pieces, separating the layers for the salad.
  3. Grill the Corn: While onions roast, prepare a grill pan over medium-high heat or use a barbecue grill. Coat the corn cobs with 1 tbsp olive oil and season with salt and pepper. Grill the corn for about 15 minutes, turning occasionally to char all sides evenly. Remove to cool.
  4. Remove Corn Kernels: Once cooled, carefully cut the charred kernels off the cobs with a sharp knife, trying to cut into chunky pieces. Place kernels into a large bowl.
  5. Prepare Tomatoes and Avocado: Wash and halve the red and yellow grape tomatoes lengthwise. Peel and cube the avocado into 2cm pieces. Add these to the bowl with the corn kernels.
  6. Prepare Cilantro: Wash and roughly tear the cilantro leaves, setting them aside for garnish.
  7. Make the Dressing: In a mason jar or small bowl, combine 2 tbsp olive oil, lemon juice, Dijon mustard, maple syrup, and salt and pepper to taste. Shake or whisk vigorously until emulsified.
  8. Assemble the Salad: Add the roasted red onion layers to the bowl with corn, tomatoes, and avocado. Pour the dressing over the salad and toss thoroughly to coat all ingredients.
  9. Finish and Serve: Sprinkle torn cilantro leaves over the salad and gently mix again. Adjust seasoning with additional salt and pepper if necessary. Serve immediately for the freshest flavor.

Notes

  • Roasting the onions with skin on helps retain moisture and develop a sweet, caramelized flavor.
  • Grilling corn adds a smoky depth which balances well with the creamy avocado.
  • If you don’t have a grill pan, the corn can also be roasted in the oven at high temperature or cooked on a barbecue.
  • This salad is best served fresh but can be refrigerated for up to 1 day; toss again before serving.
  • For a vegan option, this salad is already vegan-friendly with maple syrup as the sweetener in the dressing.