This recipe produces about 2.5 liters of soup. It can be doubled.   Ingredients:   200g (1 cup) dry red lentils (soak overnight for faster cooking) 1 liter of water for cooking the lentils - Some butter 2 onions, diced 2 carrots, diced 1 hot chili, de-seeded and diced 3 cloves garlic, minced 1 large tart cooking apple, peeled and diced 2 tomatoes, diced - 2-3 tbsp ginger, minced - Dr