Oler Danla ( Yam curry)

Oler  Danla ( Yam curry)
Ingredients
500 grams yam cut in to cubes
2 potatoes cut in to cubes
1 onion finely sliced
1 tbsp ginger garlic paste
1 tsp chilli paste
1 tomato chopped
1/2 tsp cumin seeds
1 bay leaf
2 tbsp of ghee
Salt to taste
1 tsp sugar
1/2 tsp turmeric powder
1/2 tsp coriander powder
1/2 tsp cumin powder
1/2 tsp garam masala powder ( powder made of 2 cloves, 1 small stick Cinnamon, 2 cardamom  and 1/2 cumin seeds)
Method
Take 1 1/2 tbsp ghee in a kadai. Add cumin seeds and bay leaf. Let the cumin seed crackle. Add chopped onion. Saute till brown in colour. Add the cubes of potatoes, sugar and saute it for 2 to 3 minutes. Add ginger - garlic , chilli paste and salt to taste. Stir for 2 minutes more. Add the yam and the all the dry powder masala. On a low flame cover the kadai and cook for 2 to 3 minutes. Add the tomato. Cook it for few minutes more with a close lid. When the ghee starts to leave the sides of the Kadai add 2 small cups of water. Cook the yam on a medium flame till the potatoes and yam is cooked. Before serving add 1/2 tbsp of ghee and sprinkle garam masala from top.