Cook immediately after removing from freezer.
You can use
Conventional oven: preheat oven to 220°C. Place frozen Tempura Prawn and bake for 8-9 minutes until golden brown. 
Air fryer: preheat fryer to 220°C. Fill up the basket with Tempura Prawn and fry for 6-7 minutes until golden brown.
Deep fry: Fry it in a 180°C hot oil for 5-6minutes until golden brown.
Serve it while it's hot.

Product of Malaysia.
 
1 CARTON 30 PACKET