Ratatouille and Chickpea Stew

Name: Ratatouille and Chickpea Stew
Ingredients: 2 tbsp olive oil; 1 large onion (sliced); 2 cloves garlic (finely chopped); 3 slices medium courgettes sliced moderately finely (then quartered); 2 slices aubergines sliced moderately finely (then quartered); 4 roughly chopped medium sized ripe peeled tomatoes; 1 red pepper (core removed and cut into strips); 3 tbsp tomato puree; Salt and freshly ground pepper; 1 tsp olive oil; One small onion (sliced); 1 tbsp lemon juice; 400 g can of chickpeas (rinsed and drained); 1 tbsp finely chopped flat leaf parsley