grilled vegetables on a barbecue, featuring bell peppers, zucchini, and corn, showcasing vibrant colors and grill marks

summer vegetables grilled barbecue bell peppers zucchini corn vibrant colors grill marks assortment healthy cooking outdoor fresh delicious vegan food tasty roasted gourmet vegetarian nutrition colorful dinner organic picnic feast flavor marinated charcoal sizzle garden culinary crisp farm produce wholesome smoky appetizer cuisine savor tender seasonal ai generated