01 - Preheat a grill pan or outdoor grill over medium-high heat.
02 - In a large bowl, toss broccolini, asparagus, green beans, zucchini, and green bell pepper with olive oil, sea salt, and black pepper until evenly coated.
03 - Grill the vegetables in a single layer for 3 to 5 minutes per side, turning occasionally, until lightly charred and just tender. Grill in batches if necessary.
04 - While grilling, whisk together extra virgin olive oil, lemon juice, Dijon mustard, minced garlic, parsley, mint, salt, and black pepper in a small bowl.
05 - Arrange the charred vegetables on a serving platter and drizzle with the herb dressing while still warm.
06 - Serve immediately, garnished with additional fresh herbs if desired.