Preheat oven to 350 degrees. Cut the spaghetti squash in half and remove seeds. Place cut sides down on a cookie sheet and bake for about 45 minutes or until tender and can be pierced easily with a knife.
Peel avocado and cut into chunks.
When squash is done, scoop out into two bowls. drizzle with olive oil and add basil and garlic powder and stir.
Toss squash with avocado and sprinkle with cheese and salt and pepper.