Boil water with pinch of salt, once boiling add fettuccine, cook for about 7 min (or read instructions).
Separately heat the pan with oil, add cumin seeds and fine chopped ginger, once golden add mushrooms, turmeric, coriander and salt, let it saute for about 1-2 min. When brownish, add carrots, zucchini and some water, let it cook for 3-5 min. Once soft add tahini and stir it. Turn the heat off, add rinsed fettuccine and lime juice. Garnish with fresh cilantro.