I prefer the sort where you cream the butter and mix in the sugar and brandy. The second sort is melted butter, then stir in the sugar and brandy. Either way, imho,
there are better ways to spend your calories.
creamed butter hardsauce
1/2 c unsalted butter
1/2 c powdered sugar
3 Tbsp brandy (or rum, or whisky, or liqueur)
Cream butter and sugar together thoroughly. Add brandy and beat again. Store refrigerated until used. Serve at room temperature, typically over a warmed pudding.
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melted butter hardsauce
3 Tbsp unsalted butter, melted
3/4 c powdered sugar
3 Tbsp brandy (or rum, or whisky, or liqueur)
Melt butter; remove from heat and stir in sugar and flavoring. Serve warm.