Heat the olive oil in a large lidded pot or skillet over medium heat.
Add the sliced chicken sausage and cook until browned on each side, about 7 minutes.
Remove the chicken sausage from the pan and set aside.
In the same pot, add the quinoa and toast for 2-3 minutes.
Lower the heat to medium-low, add the broth, cover, and cook until fluffy about 12-15 minutes.
Add the spinach, coconut aminos, salt, ground black pepper, garlic powder, red pepper flakes (optional), and Italian seasoning, and stir to combine.
Mix in the cooked chicken sausage and cook for 3 to 4 minutes to allow the flavors to incorporate, then serve.
