Bring a large pot of salted water to a boil and add pasta
Reserve 1 cup of pasta water
In a large skillet heat the oil oil over medium heat
Add the onions and cook for 5-7 min
Add the garlic then add the spinach and cook for 1 min
Add them hummus and lemon juice/zest
Add ½ cup of pasta water, more if needed
Transfer cooked pasta to the skillet
Add the crush Chili peppers and basil