Lentil Soup with Dandelion Greens

Name: Lentil Soup with Dandelion Greens
Ingredients: 1 cup green or brown lentils; 4 tablespoons olive oil; 1 large cooking onion, chopped; 2 leeks, white part only chopped; 4 cloves garlic finely chopped; 1 small red chili, finely chopped or 1 tsp chili flakes; 1 small piece fresh ginger grated ( about 2 tsp); 1 teaspoon ground tumeric; 1 LG bunch dandelion greens, chopped; 1/4 cup lemon juice; 2 tablespoons tomato paste; 2 teaspoons each ground cumin and coriander; salt and pepper to taste