Rinse and spread the shells

• Rinse the prawn shells under running water.
• Spread them evenly on a baking tray.

Dehydrate the shells

• Bake at 180 °F for about 12 hours until the shells are completely dry.

Blend and strain

• Blend the dried shells into a fine powder.
• Strain the powder through a sieve.

Store and use

• Keep the prawn powder as an all-purpose seasoning to add a shrimpy essence to any dish.