Step 1

Place the rocket, basil, whole cashews, coarsely chopped chilli, if using, garlic and lemon rind in a food processor and process until mixture is almost smooth.

Step 2

Add the lemon juice and oil and process until smooth and well combined.

Step 3

Transfer the rocket mixture to a serving bowl. Sprinkle with the chopped cashews and sliced chilli, if using. Drizzle with the extra oil. Serve with toasted flatbread.