Make-ahead tip: Assemble up to 2 hours ahead and refrigerate covered. Add the olive oil and balsamic glaze only just before serving. Storage: Best consumed same-day. If storing leftovers, remove basil leaves, place in an airtight container, and refrigerate up to 1 day. Refresh with fresh basil and a new drizzle before serving. Variation: Add a folded piece of prosciutto to each skewer for a heartier, protein-rich bite. Upgrade: Substitute burrata cut into small pieces for an ultra-creamy variation.