Sopa de Fideo is a Mexican Noodle Soup that's made with a tomato based broth and can easily be adapted to be Vegan.
Place onion, tomatoes, garlic, and chicken or vegetable stock into a blender and blend till smooth, about 20 seconds.
In a soup pot over medium heat, add oil and fideo noodles. Stir around frequently till noodles develop a brown color. About 2 minutes.
Pour in blended tomato mixture and remaining stock. Stir, cover, and bring to a gentle boil for 10 minutes. Check noodles for softness and serve with cilantro leaves.
Fideo is best served immediately, however it can be reheated. The noodles will expand, but you can add some water to thin out the soup.