Chicken biryani bake

Name: Chicken biryani bake
Ingredients: 1 tbsp olive oil; 4 skinless chicken breasts, chopped into chunks; 4 skinless, boneless chicken thighs, chopped into chunks; 2 onions, sliced; 4 tbsp curry paste (we used korma and tikka masala); 300g cauliflower, chopped into small florets; 700ml chicken stock; 400g can chopped tomato; 400g can chickpea, rinsed and drained; 200g natural yogurt; 300g spinach; 400g basmati rice, cooked following pack instructions; 5 tbsp flaked almond