African chicken tagine

540g chicken fillets, skin on

812g chicken thighs, bone in and skin on

4 tbsp olive oil

2 onions, peeled

4 garlic cloves, sliced

8cm piece ginger, grated

2 tsp cumin seeds, lightly crushed

2 tsp coriander seeds, lightly crushed

3 small cinnamon sticks

2 tsp ground ginger

Pinch crushed dried chilli

Large butternut squash, peeled and cut into chunks

1ltr chicken stock

2 rounded tbsp clear honey

100g black pitted olives

4 tbsp roughly chopped coriander

Couscous or basmati rice, to serve