Celeriac soup

Ingredients

• 2 cups (400g) celeriac, grossly cut
• 1 cup (120g) celery branches, grossly cut
• 1/2 cup (75g) macadamia nuts
• 1 tsp sea salt
• 1 tbs lemon juice
• 1/4 tsp celery seeds
• 2 tbs sliced capers
• 1/2 cup (20g) sliced celery leaves
• 1 to 2 tbs chopped lovage (wild celery) ((optional))