- Finger Food - Rosengergii prawns Rosenbergii prawns with head and shell, 10% glasing (IQF) Content: 4-6 Lbs./kg bag Packaging unit: 3 x 1.0 kg = 3.0 kg Preperation: Defrost slowly (best in the freezer). To achieve full taste marinate slightly before roasting or grilling. We recommend ca. 4-5 min cooking. Application range: The Rosenbergii are a very decorative shrimps variety perfectly suited for SeaFood starter plates, banquets or lunch buffets.