In a large pot, saute the chopped onions and grated carrots in the oil, over medium heat for about 4-5 minutes.
Add the cumin and turmeric, and stir. Cook for 1 minute.
At this point, add the potatoes, lentils, and broth. Reduce the heat and cook for about 25 minutes.
Add the salt, pepper, and kale, and cook for 5 more minutes.
Turn off the heat and add the lemon juice and dill. Stir and serve.
