Tofu and lentil curry soup

__Ingredients__ 1 350-gram block of tofu 2 small onions 1 clove garlic 1 leek 3 carrots 4 cups (1 liter) of water 3 tomatoes 1 jar of pre-cooked lentils with added vegetables* (610 ml, containing 385 grams of lentils) 1 vegetable stock cube (optional for extra _umami_ and salt) 1 tb chana massala 1 tb […]