Equipment
* optional
Ingredients
Aromatics and Base
- 10 g whole black peppercorns, coarsely crushed
- 15 g unsalted butter
- 1 shallot, finely minced
Liquids
- 45 ml cognac
- 60 ml beef stock
- 120 ml heavy cream
- 2 g kosher salt
Nutrition (per serving)
Method
Place the whole black peppercorns in a mortar and pestle and crush them coarsely. Alternatively, place them under a heavy pan on a cutting board and press down firmly to crack them. You want large, rustic pieces, not a fine powder.
Melt the unsalted butter in a heavy-bottomed skillet over medium heat. Add the finely minced shallot and cook until softened and translucent, about 2 minutes.
Add the coarsely crushed black peppercorns to the skillet with the shallots. Toast for 30 to 60 seconds until highly fragrant. This step blooms the essential oils in the pepper.
Remove the pan from the heat source and carefully pour in the cognac. Return to the heat. If cooking over gas, you can tilt the pan slightly to ignite the alcohol, or simply let it boil rapidly to reduce. Cook until the liquid has almost entirely evaporated and forms a thick syrup.
Pour in the beef stock and increase the heat to medium-high. Let the mixture boil and reduce by half, which concentrates the savory flavor base. This should take about 3 minutes.
Reduce the heat to medium-low. Pour in the heavy cream and whisk gently to combine. Simmer the sauce for 4 to 5 minutes until it thickens enough to coat the back of a spoon cleanly. Do not let it boil vigorously or the cream may separate.
Taste the sauce and season with kosher salt. The amount of salt needed will depend heavily on the saltiness of the stock used. Whisk briefly, then remove from heat and serve immediately.
Chef's Notes
- Crushing whole peppercorns fresh is non-negotiable for this recipe. Pre-ground pepper oxidizes and loses its floral, citrusy top notes, leaving only a dull, dusty heat.
- For the ultimate pan sauce, make this in the exact same unwashed skillet you just used to sear a steak. The caramelized meat juices (fond) stuck to the bottom of the pan will dissolve into the cognac, adding incredible depth.
- A drop of Dijon mustard whisked in during the final simmering stage is not strictly traditional, but it acts as a powerful emulsifier that helps keep the sauce stable while adding a pleasant, subtle tang.
- When reducing the cream, look for 'nappe' consistency. This means if you dip a spoon into the sauce and run your finger down the back of it, the line should remain clear without the sauce rushing back in to fill the gap.
Storage
Refrigerator: 3 days — Store in an airtight container. Reheat gently over very low heat to prevent splitting.
Reheating: Reheat in a saucepan over low heat, whisking constantly. Do not let it boil.
