This Antipasto Picnic Loaf with Basil Mayo is a delicious and portable meal perfect for picnics or outdoor gatherings. The loaf is filled with a variety of Italian meats, cheeses, and marinated vegetables, creating a flavorful and satisfying sandwich. The basil mayo adds a fresh and herby element to the dish, complementing the savory flavors. It's easy to make ahead of time and can be enjoyed cold or at room temperature, making it a convenient option for any outdoor occasion.