Cook the spaghetti as per packet instructions.
Slice the bacon and fry in med-high heat fry pan til crispy.
Thinly slice the chives.
Once pasta is cooked, drain then tip back into saucepan and stir through the pumpkin soup. Put back on to the heat to warm back up then serve sprinkled with bacon, cheese and chives.
As you are putting the pasta back on the heat to warm up, you may want to cut the cooking time down by 1-2 minutes so as not to over cook the pasta.