This a popular Italian dish of sliced zucchini marinated in a basil, garlic, vinegar, and olive oil marinade.
These marinated zucchini slices will keep refrigerated in a storage container for up to 3 days. Keep in mind that the longer they sit, the soggier they will get.
Find it online: https://pickledplum.com/marinated-zucchini-slices-recipe/