Dahl: Slow cooker

I have tried a couple of times to cook dahl in the slow cooker without much success. This time I am hoping it will work. It did and well. 

Ingredients

1. 1½ cups yellow split lentils and mung lentils
2. One medium onion, finely chopped
3. 400 gm can diced tomatoes
4. 2 teaspoons minced garlic
5. 2 teaspoon turmeric powder
6. 1 teaspoon salt

Tempering Ingredients

1. 2 tablespoons  oil
2. ½ teaspoon whole cumin seeds
3. ½ teaspoon asofetita
4. 1 whole chilli
5. ½ teaspoon cumin powder
6. ½ teaspoon coriander powder
7. ¼ teaspoon chili powder

Rinse the lentils and add to the slow cooker with the tomatoes, onion and garlic and 4 cups of water
Cook on low for 5 hours

Add the tempering ingredients to a frypan and heat until frgant
Add to slow cooker stir through and cook for one hour more

Serve with rice and a dash of lemon juice