1 Spaghetti squash
1 lb. organic boneless chicken breasts, baked or boiled and shredded
1 teaspoon extra-virgin olive oil
1 clove garlic, crushed
3 handfuls fresh spinach
1 cup tomato sauce of choice (homemade or store-bought)
1 egg
1 1/2 tablespoons Italian seasoning, more to taste
1/2 tsp red pepper flakes, more to taste
1 tablespoon garlic powder
1/2 teaspoon freshly ground pepper
1/2 teaspoon salt
Optional: 1/4 cup fresh Parmesan cheese, more for topping