Pop-Tarts are a popular breakfast pastry made by Kellogg's. They consist of a sweet filling, such as fruit or chocolate, sandwiched between two layers of a flaky crust. Each pastry is often frosted and comes in a variety of flavors, making them a favorite among both children and adults. These pastries are typically sold in a rectangular shape and can be eaten straight from the package or toasted for a warm treat. Pop-Tarts are convenient and portable, making them a quick option for busy mornings or snacks on the go.