1, 15 minutes or so. Do not uncover the pot before removing the lid and continue to simmer for another 5 minutes before removing from the pot, in case the shrimp are not cooked through and discolored. When the shrimp meat becomes red and white and the shrimp tail bends up then indicate that the shrimp meat is cooked.

2, prawns belong to freshwater fresh, need to be fully cooked before eating, shrimp in addition to frying made of stewed prawns, you can also chop the shrimp into wonton filling package wontons to eat.