Crostini are small, toasted slices of bread, typically made from a variety of loaves such as baguettes or ciabatta. They are often brushed with olive oil and baked until crispy, making them a perfect base for various toppings. These delightful appetizers can be topped with a wide range of ingredients, including spreads, cheeses, vegetables, and meats. Popular toppings include bruschetta, which features diced tomatoes and basil, and goat cheese with honey. Crostini are commonly served at parties and gatherings, offering a versatile and flavorful option for guests.