Greek chickpea soup with lemon juice

Name: Greek chickpea soup with lemon juice
Prep time: 10 min
Cook time: 45 min
Yield: 4
Ingredients: organic chickpea 500g (soaked, washes and drained); large onion 1 whole; garlic cloves 2; bay leaves 4; 2 lemons juiced; organic oregano 2 tsp; olive oil 3 tbs; chickpea flour - 2 tbsp; water; salt for taste; black pepper for taste