hard sauce

US /ˌhɑːrd ˈsɔːs/
UK /ˌhɑːrd ˈsɔːs/
"hard sauce" picture
1.

a sauce made from butter, sugar, and often brandy or rum, served with hot puddings.

:
The Christmas pudding was served with a rich hard sauce.
She always makes her own hard sauce for dessert.