If using frozen shrimps: defrost in water & pat dry.
Clean & trim the spring onions & the carrot; chop both up finely.
Mix seafood stock & cream & saffron.
Start frying the spring onions & the carrot in olive oil for about 4-5 min.
Add shrimps & stock & spaghetti.
Bring everything to a boil & let it simmer for about 10-12 min.
Salt & pepper to taste.
Serve.