Roast vegetable & chicken gratin - Eatwise

Ingredients

• 2 tbsp. olive oil
• 1 small-medium onion, peeled and chopped
• 1-2 cloves garlic, finely chopped or pushed through a garlic press
• 1tsp dried oregano
• 1 tin plum tomatoes, chopped
• 1 large aubergine, sliced lengthwise into ½cm slices
• 1 large or 2 small courgettes, sliced lengthwise into ½cm slices
• 6-8 mushrooms, washed and sliced thickly
• 1 pepper (red, green or yellow), cut into large dice or slices
• 1 large cooked chicken breast / leg meat / bought cooked chicken slices, in bite-sized chunks
• 30g low fat cheddar or Edam cheese, grated