Courgette pasta with avocado and pesto

Ingredients

• 8 large courgettes
• 2 cups firmly packed fresh basil leaves
• 2 garlic cloves, chopped
• 1/4 cup pine nuts, toasted, plus 2 tablespoons extra
• 1/2 cup finely grated parmesan, plus 2 tablespoons extra
• 1 tbsp olive oil
• 1 medium avocado, chopped
• 50 g baby rocket leaves
• 1 tsp finely grated lemon zest
• 2 tbsp lemon juice
• 2 tbsp fresh baby basil leaves