Cook pasta and while pasta is cooking, dry fry chorizo in a non-stick frypan, add the nuts and cook with sausage until toasted.
Slice chorizo into small pieces and return to pan.
Add the garlic and spinach and toss until spinach is wilted.
Drain pasta and add to pan tossing to coat with chorizo and spinach mixture.
Add the lemon zest and juice.
Serve with optional grated Parmesan