Easy Moroccan chicken stew

Ingredients

• 1/4 cup olive oil
• 8 frenched chicken legs
• 1 onion, thinly sliced
• 4 garlic cloves, finely chopped
• 1 tablespoon baharat (Arabic spice blend)
• 400 gram can diced tomatoes
• 2 celery stalks, diced
• 1 large carrot, diced
• 4 cup chicken stock
• 1 kumara, peeled, cut into 1cm-wide strips
• 2 medium courgette, trimmed, cut into 1cm-wide strips
• 400 gram can chickpeas, rinsed, drained
• Greek-style yoghurt, lemon wedges, crusty bread to serve