Focusing on the cooking method:
* Deep-fried prawns: Emphasizes the cooking method.
* Crispy prawns: Highlights the texture.
* Breaded prawns: If the prawns are coated in breadcrumbs.
* Tempura prawns: If the prawns are coated in a light, airy batter.
Focusing on the ingredient:
* Shrimp: This is a general term for the crustacean.
* Prawn cocktail: If the prawns are served in a classic cocktail sauce.
* Prawns in batter: A more literal alternative to "battered prawns".
Descriptive alternatives:
* Golden prawns: Emphasizes the color.
* Succulent prawns: Highlights the flavor and texture.
* Flavorful prawns: Focuses on the taste.
Ultimately, the best alternative depends on the context and what you want to convey.