Scallion and Basil Pesto Spagetti

INGREDIENTS

4 cups

scallions, (chopped)

1 cup

fresh basil, (roughly chopped)

2 tbsp

fresh chives, (chopped, plus more for garnish)

1/2 cup

olive oil

1/4 cup

parmesan cheese, (plus more for garnish)

3 tbsp

fresh lemon juice

1 tsp

salt

450 g

cooked spaghetti,

dried red chili flakes, (optional)