
Silky, rich, and endlessly versatile, this classic French white sauce is one of those foundational recipes every home cook should have in their back pocket. Made from just butter, flour, whole milk, and a few simple seasonings, every single ingredient here is naturally free of caffeine — no tea, coffee, chocolate, or hidden stimulants to worry about. The technique is straightforward: a quick roux cooked until pale and nutty, then milk whisked in gradually until the sauce thickens into something glossy and luxurious. That pinch of nutmeg and white pepper might seem subtle, but they give the finished sauce a warmth and depth that elevates everything it touches. Spoon it over roasted vegetables, layer it into a lasagna, or use it as the base for a creamy pasta — it holds its own in just about any direction you take it. The tip about pressing plastic wrap directly onto the surface is a small but brilliant move that keeps the sauce smooth and ready to use whenever you need it.
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Melt the butter in a medium saucepan over medium heat until foamy but not browned.
Add the flour all at once and whisk constantly for 1 to 2 minutes, until the mixture turns a pale straw color and smells faintly nutty — this cooks out the raw flour taste.
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