This grilled corn and avocado salad is the recipe I make on repeat from June through August, and I am never not asked for it at every cookout, pool party and backyard dinner I bring it to. It is fresh, it is colorful, it has that perfect balance of smoky and bright, and it comes together in about 20 minutes. If you have been looking for a summer salad that actually holds up on a hot day and travels well to a party, this is it.
The secret is the grill. Charring the corn directly on the grates does something magical to the flavor. You get that slightly sweet, slightly smoky depth that you simply cannot replicate from a can or a steamed cob. Pair that with creamy avocado, crisp red onion, a little heat from fresh jalapeño and a zippy lime cumin dressing and you have a salad that feels like summer in a bowl.
I started making a version of this years ago and have tweaked it every season. The current version is the one. I promise you will not have leftovers.
Why This Grilled Corn Salad Works Every Time
Table of Contents
There are a few things that make this recipe consistently great, no matter who makes it or what occasion it is for.
The charred corn is everything. Grilling the corn directly on high heat creates those caramelized, slightly blackened spots that add incredible depth of flavor. You want the corn to blister, not just warm through.
The avocado is cubed, not mashed. You want chunks, not guacamole. Cubed avocado holds its shape, gives you creamy bites throughout the salad and looks beautiful in the bowl.
The red onion is soaked. This step gets skipped constantly and it makes such a difference. Soaking sliced red onion in cold water for 10 minutes removes the harsh bite and leaves you with a mellow, slightly sweet onion flavor that does not overpower everything else.
The dressing is simple but punchy. Fresh lime juice, olive oil, a little honey, cumin and chili powder. It coats everything beautifully and doubles as a marinade if you want to make this ahead.
What You Need to Make It
For the salad itself, you will need fresh corn on the cob. I strongly recommend fresh over frozen here. The texture and flavor after grilling are completely different, and this recipe is worth getting the good stuff. You will also need ripe but firm avocados, a small red onion, fresh cilantro, a jalapeño and a lime.
For the dressing: olive oil, fresh lime juice, honey, cumin, chili powder and salt. That is it. Nothing fancy, nothing hard to find.
A good cast iron grill pan works perfectly if you do not have an outdoor grill. Get it screaming hot, add the husked corn cobs and let them sit long enough to actually char before rotating. Resist the urge to move them too quickly.
I use a sharp chef’s knife to cut the corn kernels off the cob after grilling. Stand the cob upright in a wide, shallow bowl so the kernels fall in and not all over your counter.
How to Make Grilled Corn and Avocado Salad
Step 1: Soak the red onion. Thinly slice about a quarter of a red onion and place the slices in a small bowl of cold water. Let them sit while you grill the corn. This takes the sharpness out and leaves a much more pleasant flavor in the final salad.
Step 2: Grill the corn. Husk the corn and brush lightly with olive oil. Grill over high heat, turning every couple of minutes, until the corn is charred in spots on all sides. This takes about 8 to 10 minutes total. You want real color on there, not just grill marks. Set aside to cool slightly.
Step 3: Make the dressing. In a small jar or bowl, whisk together 3 tablespoons olive oil, the juice of 2 limes, 1 teaspoon honey, half a teaspoon of cumin and a quarter teaspoon of chili powder. Season with salt. Taste and adjust. If you like it tangier, add more lime. If you want a little more heat, add a pinch of cayenne.
Step 4: Cut the corn and assemble. Stand each cob upright and cut the kernels off with a sharp knife. Add them to a large bowl. Drain the red onion and add it in. Add the cubed avocado, roughly chopped fresh cilantro and thinly sliced jalapeño. Pour the dressing over the top and toss gently, taking care not to break up the avocado too much.
Step 5: Taste and serve. Taste for salt and lime, adjust as needed and serve immediately. If you need to make it ahead, see my tips below on keeping the avocado from browning.
Tips for Making It Ahead
This salad is best made and served fresh because of the avocado. That said, you can absolutely prep components ahead of time so assembly takes just minutes.
Grill the corn up to a day ahead and store the cut kernels in an airtight container in the fridge. Make the dressing ahead and keep it in a jar. Slice the jalapeño and red onion ahead. Then right before serving, cube the avocado and toss everything together.
If you are transporting this to a party, I like to pack the avocado separately and add it right before serving. A squeeze of extra lime juice over the avocado helps slow the browning if you need to add it a little earlier.
Variations Worth Trying
Add black beans. A drained and rinsed can of black beans turns this into a heartier side that pairs perfectly with grilled chicken or shrimp tacos.
Swap in cotija cheese. A crumble of salty cotija on top adds a briny richness that is absolutely incredible. Feta works too if that is what you have.
Make it a full meal. Slice grilled chicken or shrimp and lay it right on top. This becomes a complete, beautiful dinner bowl in minutes.
Add mango. A little diced fresh mango adds a sweet, tropical twist that works especially well at summer parties. It sounds surprising and tastes incredible.
Make it spicier. Leave the jalapeño seeds in, add more chili powder or throw in a little chipotle for a smokier heat.
What to Serve It With
This salad goes with almost everything you would make in summer. It is the ideal pairing for anything off the grill: burgers, chicken, ribs, shrimp skewers. It is also great alongside tacos, fish, or as part of a big spread.
I love serving it at cookouts with my Easy Summer Appetizers and usually have a batch of Ranch Water going on the side. If I am making it for a casual weeknight dinner, I put it next to grilled salmon or a simple rotisserie chicken from the store. It makes even a simple weeknight feel like a real meal.
It is also beautiful on a table. The colors alone make it look like you put in way more effort than you did, which is always my favorite kind of recipe.
Looking for more summer salad ideas? Check out my favorite salad toppings to upgrade any bowl, or browse my full collection of summer appetizers for everything you need to feed a crowd this season.
Recipe Card
Grilled Corn and Avocado Salad
Prep Time: 10 minutes Cook Time: 10 minutes Total Time: 20 minutes Servings: 6 as a side
Ingredients:
For the salad:
- 4 ears fresh corn, husked
- 2 ripe but firm avocados, cubed
- 1/4 small red onion, thinly sliced (soaked in cold water 10 minutes, then drained)
- 1 jalapeño, thinly sliced (seeds removed for mild)
- 1/2 cup fresh cilantro, roughly chopped
- Olive oil for brushing
For the dressing:
- 3 tablespoons olive oil
- Juice of 2 limes
- 1 teaspoon honey
- 1/2 teaspoon cumin
- 1/4 teaspoon chili powder
- Salt to taste
Instructions:
- Soak sliced red onion in cold water for 10 minutes. Drain and set aside.
- Brush corn with olive oil. Grill over high heat, turning every 2 to 3 minutes, until charred in spots on all sides, about 8 to 10 minutes total. Let cool slightly.
- Whisk together olive oil, lime juice, honey, cumin, chili powder and salt in a small bowl or jar.
- Stand each corn cob upright in a wide bowl and cut kernels off. Transfer to a large salad bowl.
- Add drained red onion, cubed avocado, cilantro and jalapeño.
- Pour dressing over the top and toss gently. Taste for salt and lime and adjust.
- Serve immediately.
Notes:
- Grill corn up to one day ahead and refrigerate. Add avocado right before serving.
- For a heartier version, add a drained can of black beans.
- Cotija or feta crumbled on top is a great finishing touch.
I cannot stress enough how much I love having this recipe in my back pocket all summer long. It is the kind of dish that looks impressive, tastes incredible and requires almost no effort. Make it once and you will understand why it is on the menu at every single gathering I host.
If you make it, I want to hear about it. Leave a comment below and let me know how it went, what you added to it and whether you are team cotija or team feta. And if you share it on Instagram, tag me so I can see your beautiful bowl.
Frequently Asked Questions
Can I make this without a grill? Yes. Use a cast iron grill pan on the stovetop over high heat. Get the pan very hot before adding the corn and let it sit long enough to actually char before turning. You will get great results.
How do I keep the avocado from browning? Add it right before serving and toss the salad with plenty of lime juice, which slows oxidation. If making ahead, keep the avocado separate until the last minute.
Can I use frozen corn? You can, but fresh corn grilled on the cob really is a different result. If using frozen, thaw it first and char it in a hot dry skillet to get some caramelization.
How long does this salad keep? Best eaten within a few hours of making. If you have leftovers, store them in an airtight container and eat within a day. The avocado will brown but the flavors will still be great.
Is this salad spicy? With one jalapeño and seeds removed, it is mild with just a gentle warmth. Leave the seeds in or add more jalapeño for more heat.
Can I add protein to make it a full meal? Absolutely. Grilled chicken, shrimp, steak or even chickpeas all work beautifully on top.
What is the best way to cut corn off the cob? Stand the cob upright in a wide shallow bowl and run a sharp knife straight down. The bowl catches all the kernels so you are not chasing them across the counter.
