Cook the spaghetti according to the instructions.
Melt butter in a large pan, add garlic.
Next, add the prawns and fry for about 2-3 minutes. Gradually add more seafood and cover everything with white wine. Cook for about 3-4 minutes.
Pour in the tomato puree and cover with a lid. Cook for a further 5 minutes.
Remove the lid and add the spaghetti to the sauce, reduce the heat to low and allow to bubble for 3-5 more minutes, stirring constantly.