Preheat the oven at 350 Fahrenheit (180 degrees Celsius).
Wash the zucchini and boil the zucchini whole for about 10 minutes. Remove from pot and let it cool.
In a bowl mash all the other ingredients together.
Cut the edges on each side and then cut the zucchini in the middle lengthwise.
With a small spoon remove the inside and seeds of the zucchini.
Fill each half with the cheese mixture and place in a pan.
Bake for about 30 minutes until the cheese has browned on the surface.