You'll need:
1 cup yellow split peas, soaked in cold water for 1 hour
3 cups of water
1 tsp salt
And
1 tbsp oil (coconut, olive)
1/2 tsp cumin seeds
1/2 tsp black mustard seeds
1 onion
5 clove garlic
a large knob of ginger
3 tomatoes
1 tsp ground coriander seeds
3/4 ground turmeric
curry leaves
coriander leaves
How to cook it:
Add lentils, salt, and water to the slow cooker.
Meanwhile, in a pan, fry the cumin & mustard seeds until poppin'.
Add the onion, garlic, and ginger, then fry until aromatic.
Add tomato add spices, then cook until tomatoes are breaking down.
Add to slow cooker. Cook on high for 4 - 6 hours.