Step 1Cut the lobster tail in half and remove the meat. Cut the meat into 1/2-inch pieces and set aside. Cut the shell into 1-inch pieces.
Step 2Melt the butter in a saucepan over medium heat and add the pieces of shell and vegetables. Cook for 4 minutes, then stir in the flour and cook for 1 minute. Add the water and cream and bring to a boil. Reduce to a simmer, stirring constantly. Add the seasoned salt and lobster meat. Simmer for 10 to 15 minutes, stirring occasionally. Remove the shell from the chowder and serve immediately.