Slow-Cooker Spicy Upside Down Pineapple Chicken

Ingredients

• 1 small pineapple (900g)
• 1 medium onion (150g), chopped coarsely
• 2 cloves garlic, chopped
• 2 tbsps grated ginger
• 2 long green chillies, chopped coarsely
• 1 stalk lemongrass, white part only, chopped finely
• ¼ cup chopped coriander roots and stems
• 2 tsps ground coriander
• ¼ cup (60ml) lime juice
• 2 tbsps light soy sauce
• 2 kg whole chicken, butterflied
• 1½ cups (300g) jasmine rice, rinsed
• Olive oil cooking spray
• Coriander leaves, to serve