to scald / to burn (by scalding) / to blanch (cooking) / to heat (sth) up in hot water / to perm / to iron / scalding hot
烫
=
汤
+
火
:
Tecumseh (t) is cooking a soup (汤) on an open fire (火) in the anglepod's bathroom (ang4). To give the soup a special flavor for a minute he blanches (烫) a flat iron (烫) in the soup.