Which statement correctly contrasts a roux-based sauce with a liaison-based sauce?

Which statement correctly contrasts a roux-based sauce with a liaison-based sauce?

• A. Roux-based sauces use a flour-fat roux as the thickener, while liaison-based sauces finish with eggs and cream instead of flour.
• B. Liaison-based sauces rely on roux thickening; roux-based rely on eggs.
• C. Roux-based sauces are always dairy-free.
• D. Both types are thickened only by reduction.

Answer: (A)