For the zucchini glass noodles, chop the onion, zucchini and tomatoes. Briefly pour hot water over the glass noodles. While they are briefly swelling fry the onion in the peanut oil.
Add the glass noodles, fry briefly and then add both tomatoes and zucchini. Add 1 dash of soy sauce and 2 tablespoons of hot chili sauce and mix everything well.
Sprinkle with sesame seeds and you are ready to serve.