Slow-cooker chicken and chickpea curry

Name: Slow-cooker chicken and chickpea curry
Prep time: 10 min
Cook time: 6 h 35 min
Total time: 6 h 45 min
Cuisine: Indian, Asian
Ingredients: 18.20 gm olive oil; 1kg chicken thigh fillets, trimmed, quartered; 1 medium brown onion, chopped; 2 garlic cloves, crushed; 2cm piece fresh ginger, finely grated; 87.50 gm korma curry paste; 400g can Diced Tomatoes; 63.75 gm chicken stock; 125.00 ml plain yoghurt; 82.50 ml chopped roasted cashew nuts; 400g can Chickpeas, drained, rinsed; 62.50 ml fresh coriander leaves; Steamed Basmati rice, to serve; Lime halves, to serve