The sauce: Add sundried tomatoes, basil, cashews, feta, garlic, lemon juice, oregano, rosemary, salt and chilli to a blender and blitz till smooth, adding extra olive oil if needed.
Make the pasta according to packet instructions.
In a large bowl, put together the pasta, along with the cucumber, bell pepper, red onion, chickpeas and olives.
Add the pesto on top and toss till combined. Garnish with extra cashews and fresh basil. Serve and enjoy!