Heat a stockpot with oil, add ginger, garlic, onion, and fry until light brown. Add the vegetable stock and allow it to boil for 3-4 minutes.
Drain them and discard the onions.
Bring the drained vegetable stock to heat and add miso paste and stir until combined well.
Serving Ramen soup
To serve Ramen soup, pour the vegetable stock add broccoli, corn, mushrooms, and tofu. Add the noodles on one side. Add roasted sesame seeds and chili oil on top.
Notes
Make sure you do not overheat the stock after Miso is added.