Preheat oven to 400 F and let pie crusts sit out for 10-15 minutes.
Line a baking sheet with parchment paper.
Beat egg and set aside.
Roll out pie crusts to slightly thinner than they are in the package.
Cut crusts into long rectangles.
Brush crusts with olive oil, leaving the edges uncovered.
Sprinkle a pinch of salt and a couple pinches of Italian seasoning on top of the olive oil.
Brush 1-2 teaspoons pizza sauce on half of each rectangle, leaving the other half with only olive oil, and the edges uncovered.
Sprinkle 1-2 tablepoons of cheese on top of the sauce and add any toppings youd like!
Brush the edges of the crust with the beaten egg, fold the olive oil side of the rectangle over top of the sauce and cheese side, and seal the edges with your fingers, then press edges with a fork.
Brush the tops of each poptart with more egg, then bake 12-15 minutes.
Top with more sauce and cheese, then bake for another 2-4 minutes, until the cheese on top has melted.
Serve hot and enjoy!