Cut your zucchini in half longways and scoop out center with a spoon.
Season the zucchini lightly with salt and pepper and set aside on a cookie sheet or large baking dish.
In a frying pan add a little oil, and sauté onions for 2-3 minutes. Add hamburger meat and season with salt and pepper. You can also add Italian seasoning and garlic powder for extra taste. Cook until meat is cooked through.
Add grated garlic and stir in.
Stir in the marinara sauce
Add in chopped parsley and basil.
Spoon mixture evenly into prepared zucchini, and top with cheese.
Drizzle with oil.
Cover and bake at 375 for 25-30 minutes.
Uncover and bake another 5-10 minutes or until cheese is lightly brown.