Curried Lentils with Coriander

2 cups (500ml) green lentils 2 Tbsp (25 ml) vegetable oil 2 medium onions, chopped 1 tsp (5 ml) each, ginger, coriander, cumin and turmeric 1 tsp (5ml) minced garlic ½ tsp (2.5 ml) salt 3 whole cardamom 1 3-inch (8 cm) stick cinnamon or ½ tsp (2.5 ml) ground ¼ tsp (1ml) hot pepper [...]