Cut zucchini lengthwise and scoop out the inside with a spoon. You want to scoop out enough so you can fit your filling in, while keeping the sides sturdy enough.
In a medium bowl, mix together cream cheese, jalapeño, ¾ cup cheddar cheese, chicken breast halves and garlic salt until well combined.
Spoon filling into zucchini boats.
Top with remaining cheese.
Place on baking sheet and bake in preheated oven for 23-25 minutes, until cheese is melted and zucchini is softened.
Serve topped with green onions.
Enjoy!
Notes
This can either serve 4 people, with one zucchini half per person if you serve it with a substantial side like a big salad and bread, or 2 people if you serve it with a lighter side dish.