Ingredients
1 sheet puff pastry, thawed
2 pieces tilapia (fresh or thawed)
6 medium-sized shrimp, chopped
2 tbsp chopped red onion 
2 tbsp chopped cilantro
1 tbsp lemon juice
salt and pepper to taste

Preheat your oven to 375.

For the filling, mix the shrimp, onion, cilantro, lemon juice, salt, and pepper in a bowl and let them sit while you prepare the rest of this dish.

Place the puff pastry onto a cookie sheet.  Place the tilapia fillets on one side of the pastry lengthwise.

Top the fish with the filling you prepared earlier and fold the other half of the puff pastry over the top of your fish.  Crimp the edges shut with your fingers. 

Bake for 25 minutes until the crust is golden brown.