Preheat oven to 180°C.
Bring a pot of salted water to a boil and cook spaghetti according to packaging instructions (around 10 minutes for wholemeal).
Drain into a colander and rinse under cold water to stop the cooking process. set aside. (You can skip the spaghetti step if you have leftovers).
In an oven-safe non-stick pan, whisk together; onion & garlic powder, fresh garlic & onion, turmeric, nutritional yeast, baking soda, chickpea flour, flax, lemon zest, salt & pepper and vegetable broth. Keep whisking on medium to high heat until the mixture thickens.
Using an electric mixer, whisk aquafaba to stiff peaks, adding apple cider vinegar and cream of tartar as you go. This will take around 6 minutes.
Add spaghetti, parsley, pepperoncino & vegan parmesan to the chickpea mixture in the pan and gently fold in the aquafaba. Use a spatula to smooth out the mixture into a pancake-like shape in the pan.
Bake in a preheated oven and bake for 20-25 minutes until the top turns golden brown.
Allow 10 to 15 minutes for the pasta omelette to set before removing from the pan.
Slice and serve, topped with fresh parsley and a sprinkle of vegan Parmesan cheese.