Cook the pasta

• Bring a pot of salted water to a boil.
• Add the pasta and cook until al dente.

Add the peas

• Add the peas to the pasta for the last few minutes of cooking.

Drain and season

• Drain the pasta and peas, keeping a splash of cooking water.
• Stir through the pesto, lemon zest, lemon juice, chilli flakes and olive oil.
• Loosen with a little cooking water and season with salt.

Serve

• Serve straight away with extra lemon and chilli if you like.