One-pot chicken & chickpea pilau

Name: One-pot chicken & chickpea pilau
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: British, Indian
Ingredients: 1 tbsp olive oil; 4 chicken thighs skin removed and trimmed of fat; 2 large leeks thinly sliced; 2 garlic cloves crushed; 400g can chickpeas in water, drained and rinsed; grated zest of 1 lemon; 200g easy-cook brown rice; 450ml chicken stock; 1 head broccoli broken into florets