No cooking required; all ingredients are fresh or jarred., Skewers can be assembled up to 24 hours in advance and stored covered in the refrigerator., If marinated vegetables are wet, blot dry before threading for crispness., Variations include swapping meats (pepperoni, soppressata, smoked turkey), cheeses (bocconcini mozzarella, fontina, cheddar), vegetables (roasted red peppers, marinated mushrooms), and fresh herbs (oregano, parsley)., Suitable for gluten-free diets if using gluten-free dressing and ingredients., Leftovers keep well refrigerated up to 2 days; use airtight container and add paper towel to absorb moisture.