Add oil to a large saucepan. Add is onion and cook for 2-3 minutes until tender. Add in garlic and cook for an additional minute.
1
Add in crushed tomatoes, oregano and red pepper flakes. Bring to a light simmer and cook for 10 minutes.
2
Add zucchini noodles to the sauce and cook for 2-3 minutes or until tender.
3