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In a heavy skillet on medium, heat the olive oil and add the onions.
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Cook onions until slightly browned and softened, then add garlic and sauté for another minute.
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Turn the heat to low, and add the rosemary, coriander, and paprika, stirring to coat the onions and garlic.
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Add the rest of the ingredients to the pan, stir well, and turn the heat up to medium. There will be a fair amount of liquid in the pan, but don’t worry - you’re going to simmer it off.
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Simmer on medium, stirring occasionally, until the liquid reduces into a sauce. Remove from heat and serve.