You want to start by breaking down both of the hens. Remove the wing tips and backbone. Separate the legs into drumsticks and thighs. Then remove the rib bones from the breasts.
Season the hen pieces with salt and pepper. Heat the vegetable oil in a dutch oven under medium high heat. Add the cornish hen pieces (I did 2 batches) and brown on both sides, about 4-6 minutes. Once browned, transfer the pieces to a plate.
Add the dried chiles, shallots, garlic, ginger, lemongrass, and tumeric to the pot and stir until fragrant. This will be a whole lot of aromatics that will just smell AWESOME!
Add in the water and turnips. Return the hen pieces to the pot and bring to a boil. Cover and lower heat to a simmer for about 15 minutes, until breasts are cooked through. Remove the breasts and cover with foil. Cook the remaining hen pieces for another 10 minutes.
Return the breasts pieces and stir in fish sauce, scallions, and lime juice. Adjust seasoning to taste and then ladle into soup bowls!