Heat olive oil in pan on stove top.
Chop onion, add to pan, cook 5 minutes.
Boil water and cook pasta according to box directions.**Reserve ½ cup cooking water
Chop mushrooms and garlic, add to pan.
Remove kale from stems and cut into thin strips, add to pan.
Measure tahini, soy sauce, and lemon juice, mix together in bowl. Add hot water or pasta cooking liquid, mix thoroughly.
Add sauce mixture and pasta to veggie pan. Combine and serve warm.