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Easy
By David Higgs
Published 2018
In a dry pot over medium heat, cook the prawn shells and heads until they become pink.
Add the ginger, garlic and thyme followed by the oil. With a wooden spoon, bash the shells with the aromatics and oil to release the flavours. Bring the oil to 77°C and leave for 2 hours before straining the oil through an oil filter and cooling over ice. Refrigerate until needed.