Instructions

1. Preheat Grill
   1. Preheat the grill to medium heat.
2. Prepare Vegetables
   1. Cut bell peppers, zucchini, and red onion into bite-sized pieces. Leave cherry tomatoes whole and slice mushrooms in half.
3. Mix Vegetables
   1. In a large bowl, combine all the prepared vegetables.
4. Season Vegetables
   1. Drizzle the vegetables with olive oil and sprinkle with garlic powder, salt, and black pepper. Toss to coat evenly.
5. Grill Vegetables
   1. Place the vegetables in a grill basket or on skewers. Grill for 15-20 minutes, turning occasionally, until they are tender and slightly charred.
6. Serve
   1. Remove vegetables from the grill and serve hot as a side dish or main course.