Cut the shallot and pepper in rings. Crush the clove of garlic.
Fry the shallot, red peper, vanilla, and garlic in a pan with oil on a medium fire. When everything is soft, deglaze with the rosé.
Reduce entirely. Add the stock. Reduce to 20%.
Add the cream and bring to the boil
Seive and add salt to taste.
Bind with the cold butter, the sauce is now ready for use.