Grate pecorino.
Cook the taglierini along the instructions & drain afterwards.
optional: save some of the hot pasta water for diluting the sauce - if necessary!
In the meantime chop the spring onions & the bacon & fry them in olive oil until soft (about 5 min).
Add to the butternut pasta sauce & mix - if too dry add some pasta water.
Mix drained taglierini & butternut mess.
Add freshly grated pecorino & mix well - if too dry add some more pasta water.
optional: chop arugula & add to the pasta.