Cook pasta according to package, then set aside.
In a large skillet, heat avocado oil until hot but not smoking, then add garlic. Let cook for 30 seconds, then add sliced chicken sausage + zucchini to brown for 5-7 minutes.
Pour in cooked pasta + olive oil to skillet with veggies and sausage and toss. Remove from heat, then add in spinach, red chili flakes and sea salt.
In a separate saucepan, heat jar of vodka sauce. Serve pasta with sauce, then add fresh basil