melt in one's mouth
Taste very good, as in This cake is wonderful—it just melts in one's mouth. This expression, first recorded in 1693, at first alluded to the tenderness of some food that therefore did not require chewing, but it had acquired its present meaning by about 1850. Also see butter wouldn't melt.
Words nearby melt in one's mouth
melpomene,
melrose,
melrose abbey,
melrose park,
melt,
melt in one's mouth,
meltage,
meltdown,
meltemi,
melter,
melting point