Cook the spaghetti according to the recommendation on the package, drain the spaghetti & put them in a large bowl.
In the meantime chop the spring onions.
Add olive oil to a pan & start frying the spring onions.
Press the garlic & add to the spring onions.
Add chili peppers.
Mash the sardines & add to the rest.
If it seems to dry add some hot pasta water.
Discard the chili peppers.
Add salt & pepper to taste.
Stir in some cream - optional.
When the spaghetti are ready the sardine mess is also ready.
Mix spaghetti & sardine mess thoroughly.
Serve immediately.