Greek Chickpea Soup with Lemon (Revithia),,,

Name: Greek Chickpea Soup with Lemon (Revithia),,,
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: European, Mediterranean, Greek
Ingredients: ngredients; ½ cup olive oil + extra 2 tbsps, divided; 1 large red onion; 2 cloves garlic; 2 celery sticks; 1 carrot; 2 tbsps oregano; 1 sprig rosemary, needles only, minced; 1 bay leaf; 2 x 400 g (14 oz) chickpea cans (or 450 g / 1 lb dry chickpeas); 750 ml (3 cups) vegetable stock; 2 lemons, juice of; Fresh parsley, optional