Grilled Vegetable Platter
A colorful mix of charred, tender vegetables with bright herb oil and finishing salt. Quick enough for weeknight sides, impressive enough for entertaining.
- Total time
- 25 min
- Servings
- 4
- Calories
- 285
- Protein
- 6g

Ingredients
- ½ cup extra-virgin olive oil
- ½ cup fresh basil leaves
- ½ cup fresh flat-leaf parsley leaves
- 3 whole garlic cloves
- 3 tablespoons fresh lemon juice
- 1 teaspoon kosher salt
- ½ teaspoon freshly ground black pepper
- 3 whole medium zucchini
- 2 whole large red bell pepper
- 2 whole large yellow bell pepper
- 2 whole medium red onion
- 4 whole medium portobello mushroom caps
- 1 teaspoon fleur de sel or sea salt
Instructions
- 1
Make the herb oil first so the flavors meld while you prep the vegetables. Peel 3 garlic cloves and roughly chop them. Add the garlic, 0.5 cup fresh basil leaves, 0.5 cup fresh flat-leaf parsley leaves, 3 tablespoons fresh lemon juice, 1 teaspoon kosher salt, and 0.5 teaspoon freshly ground black pepper to a food processor. Pulse until the herbs are finely chopped but still have some texture — you want flecks of green throughout, not a smooth paste. With the processor running, slowly drizzle in 0.5 cup extra-virgin olive oil until the mixture comes together. Transfer to a small bowl and set aside.
- 2
Prepare the zucchini: Trim both ends off 3 medium zucchini, then slice each one lengthwise into 0.25-inch-thick planks. This gives you a large, flat surface for even charring.
- 3
Prepare the bell peppers: Remove the stems from 2 large red bell peppers and 2 large yellow bell peppers. Slice each pepper in half from stem to tip, then remove the seeds and white pith. You'll have 8 large, flat pieces.
- 4
Prepare the red onions: Cut 2 medium red onions in half from root to tip. Peel away the papery skin but leave the root end intact — this holds the layers together while grilling. Slice each half into 0.5-inch-thick wedges.
- 5
Prepare the mushrooms: Use a damp paper towel to gently wipe dirt from 4 medium portobello mushroom caps. Remove the stems completely and use a small spoon to scrape out the dark gills from the underside — this prevents them from releasing too much moisture and steaming instead of grilling. Cut each cap in half.
- 6
Prepare your grill: If using a gas grill, preheat to medium-high heat (about 450°F). If using charcoal, wait until the coals are very hot and the grate is so hot you can only hold your hand 3 inches above it for 2-3 seconds. Lightly oil the grill grates with a high-heat oil and a folded paper towel — this prevents sticking without adding extra flavor.
- 7
In a large bowl, lightly toss all the prepared vegetables with just enough herb oil to coat them lightly — you want them barely glossy, not dripping. Season with a small pinch of additional kosher salt. Work in batches so you don't overcrowd the grill.
- 8
Start with the zucchini and bell peppers: Place them on the grill perpendicular to the grates so they don't fall through. Grill without moving them for 2-3 minutes until they develop deep golden char marks. Flip once and grill for another 2-3 minutes on the second side. You should see caramelized edges and the vegetables should be fork-tender. Transfer to a large platter.
- 9
Grill the red onion wedges: Place them on the grill, being mindful of the gaps between the grates. Grill for 3-4 minutes per side, undisturbed, until the layers are tender and charred. The onions should be mostly cooked through but still have slight resistance in the center.
- 10
Grill the mushroom pieces: Place them gill-side down on the grill. Grill for 3 minutes without moving — you'll hear a gentle, steady sizzle. Flip and grill gill-side up for another 2-3 minutes until tender and deeply browned. Be careful not to overcrowd the grill with mushrooms or they'll release steam and soften instead of char.
- 11
Arrange all the grilled vegetables on a large serving platter in a visually appealing way — alternate colors and mix the different shapes for a dynamic presentation.
- 12
Drizzle the reserved herb oil over all the vegetables, making sure every piece gets a touch of it. Finish with 1 teaspoon fleur de sel or sea salt sprinkled across the top — the larger crystals add a bright, finishing touch that regular salt won't provide. Serve while still warm, allowing guests to add more herb oil to taste.
Tools you’ll need
- food processor
- small bowl
- chef's knife
- cutting board
- large mixing bowl
- large serving platter
- gas or charcoal grill
- grill tongs
- paper towels
- small spoon
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