olive oil • minced garlic • whole white or yellow onion, minced • celery stalks, chopped • carrots, chopped • lacinato (Tuscan) kale, stems removed and leaves chopped • lean ground beef • fire roasted diced tomatoes • grated Parmesan cheese, plus more for serving • Salt & pepper • whole wheat spaghetti, cooked according to package directions • zucchini’s, spiralized, if using