Apricot chutney, fresh cilantro leaves and sliced green onions, for serving
For the lentils: Coat a medium pot with ghee or olive oil and heat over medium. Add the garlic, onion, ginger, cumin and coriander and cook, stirring, until the onions are soft, about 5 minutes. Add the lentils, chicken stock and water and bring to a boil. Reduce the heat to low, cover and simmer until the lentils are soft, about 35 minutes. Season with salt and keep warm.
Meanwhile for the rice: Add the coconut milk, rice, ginger, onion and 1/2 teaspoon salt in a medium saucepan, bring to a boil and then reduce the heat to low, cover and simmer until rice is tender and has absorbed all liquid, about 25 minutes. Keep warm.
For the curry: Process the onion in a blender or food processor until a puree.
Heat the ghee in a large pot over medium heat. Add the garam masala, turmeric and cumin, coriander and pepper stir until the spices toasted are fragrant, about 1 minute. Pour the onion puree into pot and then add the tomatoes, ginger and garlic. Cook, stirring, until the mixture thickens, 6 to 8 minutes. Add the chicken stock, tamarind and serrano pepper, stir well, bring to a simmer and cook for 5 minutes. Add the coconut milk, vinegar and lemon juice bring to a simmer and cook for 10 minutes. Add the shrimp and simmer until they are pink and cooked through, 5 to 7 minutes.
To serve: Scoop mounds of rice in shallow bowls, add curry and lentils on either side of the rice. Top each bowl with apricot chutney, cilantro and green onion.