Heat the oil in a large skillet over medium heat; cook the onion in the hot oil until translucent, about 5 minutes. Remove the skillet from the heat and allow it to cool slightly, about 2 minutes. Add the garlic, ginger, cumin, turmeric, paprika, and ground chile (see Note) to the onion and stir over low heat. Pour the tomatoes and coconut milk into the skillet; season with salt.

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Cook the mixture at a simmer, stirring occasionally, about 10 minutes. Stir the shrimp, fresh cilantro, and dried cilantro into the sauce mixture; cook another 1 minute before serving.