SWEET POTATO & CRUNCHY PEANUT BUTTER GRATIN – Whole Earth

Ingredients

• 6 medium sweet potatoes (about 1.5 kg), washed and scrubbed
• 4 cloves garlic, finely chopped
• 1 bunch coriander, stalks finely chopped and leaves separated
• 2 red chillies, de-seeded and finely sliced
• 300g crème fraîche
• 3 heaped tbsps Whole Earth Crunchy Peanut Butter
• Salt and pepper
• Neutral oil, for greasing