What is the primary motivation for large Champagne houses to rely on Non-Vintage (NV) blends for their flagship Brut?

Answer

To ensure their flagship Brut tastes the same year after year

Large houses utilize Non-Vintage blends to maintain a consistent, recognizable flavor profile for their core products across different years, contrasting with vintage-dated wines that express a single harvest.

What is the primary motivation for large Champagne houses to rely on Non-Vintage (NV) blends for their flagship Brut?
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