Ruppert-Leroy is a biodynamic Champagne house located in the Aube region, run by Benedicte Leroy and Emmanuel Ruppert. They are known for their natural approach, using no dosage and no added sulfur. Les Cognaux is a single-vineyard Blanc de Noirs made entirely from Pinot Noir. It is a vinous, expressive Champagne with notes of red apple, earth, and a striking mineral finish.