
Creamy, velvety, and endlessly versatile, this classic white sauce is a cornerstone of so many beloved dishes — and it happens to be completely free of tomatoes, peppers, potatoes, and other nightshade ingredients. For anyone navigating that restriction, finding a reliable base sauce can be surprisingly tricky, since so many store-bought options sneak in paprika or tomato derivatives. This one keeps things beautifully simple: just butter, flour, whole milk, and a whisper of nutmeg and white pepper (a smart swap that delivers gentle heat without any nightshade concerns). The technique of cooking the flour in butter before adding the milk is what gives béchamel its silky, lump-free texture and that faintly nutty depth of flavor. It thickens gradually over medium heat into something rich and coating — exactly what you want draped over roasted vegetables, layered into a gratin, or stirred into a pasta bake. Pressing plastic wrap directly onto the surface before storing is a pro move that keeps it 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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