2) Divide the mixture into two and place it on the puff pastry slices on one side. Then simply fold over the puff pastry in the middle and seal the edges, making sure to press it so it does not spill out while baking.
Great thing about this recipe is that you can mix and change the ingredients to whatever you prefer.
For a different filling, you can try using feta cheese, onion, fresh mint, and tomato for a nice vegetarian alternative. Also if you don't have a certain ingredient laying around, then you can easily replace it with something else, or take it out all together as long as you keep the core ingredients.