Easy Lentil Soup Easy and filling, perfect for the busy student By Guest Contributor December 3, 2008 Soup Preparation Time Cook Time Servings0Ingredients400g (14 oz) brown lentils2L (3 1/4 pints) chicken stock1 onion, diced4 tablespoons tomato purée2 cloves garlic, minced1 tablespoon ground cuminInstructions Step 1: 1. Combine all the ingredients in a large saucepan, bring to the boil and then cover and simmer until the lentils are soft (30-45 minutes). Serve with a wedge of lemon if wished