Creating the Easy Grilled Vegetable Platter with Chimichurri is simple when you follow these steps:

1. Prepare the Vegetables: Slice the zucchini, yellow squash, red and green bell peppers, and red onion into manageable sizes. Place the cherry tomatoes in a bowl.

2. Season the Vegetables: Drizzle the sliced vegetables with olive oil, then sprinkle with salt and pepper. Toss to ensure even coating.

3. Preheat the Grill: Heat your grill to medium-high heat. Ensure the grates are clean to prevent sticking.

4. Grill the Vegetables: Place the seasoned vegetables on the grill. Cook for about 5-7 minutes per side or until grill marks appear and they are slightly tender.

5. Make the Chimichurri Sauce:
– In a bowl, combine the chopped parsley, cilantro, minced garlic, and red pepper flakes if using.
– Pour in the olive oil and red wine vinegar. Stir until well combined. Adjust seasoning with salt and pepper to taste.

6. Assemble the Platter: Once the vegetables are grilled, arrange them on a serving platter. Drizzle the chimichurri sauce over the grilled veggies for added zest.