MAKES 1/2 CUP

6 tbsp. butter, softened
2 tbsp. madeira
1 fresh black winter truffle, cleaned and finely chopped
Salt

1. Put softened butter into a medium bowl and whisk until fluffy. Gradually add madeira, whisking until completely incorporated.

2. Add truffle, season to taste with salt, and stir well. Butter will keep covered and refrigerated for up to 1 week, or frozen for up to 1 month.