lentil and lemon soup
rating:2 tbsp olive oil
1 large onion, finely chopped
1 clove garlic, crushed
150g red lentils, washed
570ml vegetable stock
1 400g tin of chopped tomatoes
2 tsp tomatoe purée
2 tbsp finely chopped fresh thyme
salt and freshly ground black pepper
juice of 1/2 lemon