Heat the olive oil in a medium skillet set over medium-low. Add the shallots and sauté for 2-3 minutes, or until softened.
2 teaspoons extra-virgin olive oil, ¼ cup minced shallots
Remove from the heat and add the Brandy and/or Cognac, stir.
3 tablespoons Brandy
Return the pan to the heat and continue stirring to deglaze the pan. Cook an additional 2-3 minutes or until the liquor evaporates.
Add the cream, reduce heat to low, and simmer for 5-6 minutes, or until the mixture has thickened a bit.
1¼ cups heavy cream
Stir in both mustards and season to taste with kosher salt and freshly ground black pepper.
1½ tablespoons Dijon mustard, 1 tablespoon whole-grain mustard, Kosher salt and freshly ground black pepper
Garnish with chopped parsley or tarragon, if desired.
Chopped fresh parsley or tarragon