Pop-Tarts Frosted Banana Bread and Apple Jacks Toaster Pastries are a delicious and convenient snack for any time of day. Each pack contains 8 pastries with a serving size of 2, providing 360-370 calories per serving. These American-made pastries are a hard-to-find flavor combination and come in a 13.5 oz package. Perfect for the pantry, these toaster pastries are a must-have for any Pop-Tarts fan.