Homemade Brown Sugar Cinnamon Pop-Tarts

Ingredients

• 8 ounces cold butter, cubed (use shortening for vegan)
• 10 ounces all purpose flour
• 1 teaspoon salt
• 6 ounces corn syrup
• 3 ounces fresh bread crumbs
• 1 ounce unsalted butter, melted (use shortening for vegan)
• 4 ounces brown sugar
• 4 teaspoons cinnamon
• 2 1/2 ounces corn syrup
• 1 tablespoon vanilla extract
• 1/2 teaspoon salt
• 12 ounces powdered sugar
• 2 egg whites or 2 ounces corn syrup
• 1/2 teaspoon salt
• 2 teaspoons vanilla
• cinnamon