Preheat oven at 350 degrees F (180 degrees C).
Sprinkle your Nonstick Cooking Spray (to taste) over a pie dish. Line the dish with non sticky baling paper. Gently press in your Puff Pastry (1) into the dish. Cut the edges which are outside of the dish and set aside while you are working on the filling.
Beat your Egg (5). Add the Basil Pesto (150 gram) and the Cheddar Cheese (1 cup) into the eggs and mix everything well.Season with some Salt and Pepper (to taste).
Pour the egg mixture into the pastry, and cover the top with some grated cheddar cheese. Bake under 350 degrees F (180 degrees C) for about 30 minutes.
Leave the quiche aside to cool for about 10 minutes. Serve and enjoy!