Yotam Ottolenghi's Cauliflower Salad

Bahan-bahan (5 porsi)

• 1 large cauliflower or 2 small
• 2 tbsp extra virgin olive oil
• 1/2 tsp each salt and pepper
• 1 celery stalk (, cut into 0.5cm / 0.3" slices on the diagonal)
• 1/3 cup hazelnuts (, raw, skin on)
• 1/2 pomegranate (, seeds only (~1/3 cup))
• 1 cup parsley leaves (, lightly packed)
• 2 tbsp extra virgin olive oil
• 1/3 tsp cinnamon powder ((Note 2))
• 1/3 tsp allspice ((Note 2))
• 1 tbsp sherry vinegar
• 1 1/2 tsp maple syrup ((or honey or golden syrup))
• 1/4 tsp each salt and pepper