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What Is Mornay Sauce?

Definition: Mornay Sauce

Mornay sauce is a classic French white sauce. The compound made from adding grated hard or semi-hard cheese — typically, Parmesan, Swiss, or a 50-50 ratio of each — to the Mother Sauce known as béchamel.

The cheese sauce is often served with eggs, vegetables, chicken, and seafood and is a key component in the Kentucky Hot Brown.

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