Grilled Vegetable Salad with Basil Pesto

I love the deep, smoky flavor that grilling brings to vegetables. It transforms ordinary produce into something bright, satisfying, and perfect for warm-weather meals or hearty sides year-round. This recipe for Pesto Grilled Vegetable Salad showcases grilled red pepper, green beans, red onion, and red potatoes, finished with a light lemon-olive oil dressing and fresh basil. The pesto is used sparingly to add subtle depth rather than overwhelm the other flavors.

Start with fresh, firm vegetables. For this salad I used:

• Red potatoes, sliced about 1/2 inch thick
• Red onion, peeled and cut into 1/2 inch rounds
• Red bell pepper, cut into flat strips
• Green beans, trimmed and cut into 2-inch pieces

Trim and slice the vegetables as described so they cook evenly on the grill. Toss the potatoes, bell pepper strips, and green beans in a large bowl with one tablespoon of pesto, 1/2 teaspoon salt, and 1/4 teaspoon black pepper. Use your hands to coat everything evenly. Keep the red onion rounds separate for a gentler treatment, since they can break apart while tossing.

Lay the onion rounds on a cutting board and brush both sides lightly with olive oil, then season them with a pinch of salt and pepper. If you have an outdoor grill, preheat it to medium-high. A grill pan works well too—especially in an apartment or when the weather doesn’t cooperate.

Grill the vegetables until you see dark grill marks and the pieces are cooked to your liking. I like a little bite left in most vegetables, but the potatoes should be fork-tender before you remove them. If you’re grilling green beans on an open grate, place them in foil or use a grill pan so they don’t fall through.

When the vegetables are done, transfer them to a cutting board. Dice the potatoes, peppers, and onions into roughly 1-inch pieces; leave the green beans whole or halved depending on their length. Add fresh produce—half to two-thirds of a hothouse cucumber, thinly sliced, and two tomatoes (optional), diced—seasoned lightly with salt and pepper.

Make a quick, bright dressing by squeezing half a lemon (about 1 tablespoon of juice) into a small bowl, whisking in 1 tablespoon olive oil, and seasoning with salt and pepper to taste. Pour the dressing over the warm vegetables and toss gently to combine—the warm pieces will soak up the flavor and meld with the light pesto coating.

Stack about eleven basil leaves, roll them tightly, and slice thinly into a chiffonade. Sprinkle the basil over the salad for a fresh, aromatic finish.

Pesto Grilled Vegetable Salad

Ingredients

• 3 red potatoes
• 1 red onion
• 1 red bell pepper
• 1 cup green beans
• 1 tablespoon pesto
• Salt and pepper, to taste
• 1/2 to 2/3 hothouse cucumber
• 2 tomatoes (optional)
• 11 basil leaves
• 1/2 lemon
• Olive oil
• 1 clove garlic (optional, minced)

Instructions

1. Slice the red pepper into four flat strips by cutting down each side.
2. Peel and cut the red onion into 1/2 inch rounds.
3. Slice the red potatoes into 1/2 inch rounds.
4. Trim the green beans and cut them into 2-inch pieces.
5. Place the potatoes, peppers, and green beans in a large bowl. Add 1 tablespoon pesto, 1/2 teaspoon salt, and 1/4 teaspoon pepper. Toss or mix with your hands until evenly coated. Keep the onion rounds separate.
6. Brush the onion rounds lightly with olive oil and season with salt and pepper.
7. Grill the vegetables over medium-high heat until they develop dark grill marks and reach your preferred doneness. Potatoes should be fork tender.
8. Remove from the grill and chop the potatoes, peppers, and onions into roughly 1-inch pieces. Leave the green beans whole or halved.
9. Dice the cucumber (1/2 to 2/3 of a hothouse cucumber) and the tomatoes, if using. Season them lightly with salt and pepper and add to the bowl with the grilled vegetables.
10. Make the dressing: squeeze half a lemon (about 1 tablespoon juice) into a small bowl, whisk in 1 tablespoon olive oil, and season with salt and pepper. Optionally add a minced clove of garlic for extra flavor.
11. Pour the dressing over the salad and toss gently to combine. Sprinkle the thinly sliced basil (chiffonade) on top and serve warm or at room temperature.

Notes and tips: If you prefer a stronger pesto flavor, increase the pesto to 1.5–2 tablespoons or add a few spoonfuls to the dressing. For easy grilling of smaller items like green beans, place them in a foil packet or use a grill basket. This salad works well warm, at room temperature, or chilled, and is excellent as a side dish, a light main with crusty bread, or added to grain bowls.