Pour the olive oil into an oven dish and place in the oven to warm. Place the vegetables and garlic in the oven dish with the herbs, salt and pepper then mix well. Place back in the oven for around 10-15 minutes mixing now and then.
Cook the chicken and bacon in a preheated frying pan with very little oil. Place all chilli powder over the meat while frying. Fry until cooked through.
Five minutes before everything is cooked, place the couscous in a really large saucepan. Cover with boiling water around 2cm above the couscous, cover the saucepan and leave.
After 5 minutes place the cooked vegetables and cooked meat into the saucepan with the couscous along with any juices.
Mix thoroughly for around 4-5 minutes ensuring the couscous is thoroughly coated with any chilli oil residue. Serve.