hard sauce
sweet, rich dessert sauce made by creaming or beating butter and sugar with rum, brandy, whiskey, sherry, vanilla or other flavorings
en-GB/ˈhɑːd ˈsɔːs/
en-US/ˈhɑɹd sɑs/
sweet, rich dessert sauce made by creaming or beating butter and sugar with rum, brandy, whiskey, sherry, vanilla or other flavorings