3 Classic French Mother Sauces (Full Recipes) 1) Béchamel Sauce (Creamy White Sauce) Ingredients Unsalted butter 3 tbsp (45 g) All-purpose flour 3 tbsp (25–30 g) Whole milk 2 cups (480 ml), warm Onion 2–3 slices (or 1 small wedge) Nutmeg 1/8 tsp, freshly grated (optional) Salt 1/2 tsp, or to taste White pepper 1/4 tsp, or to taste Instructions 1. Warm the milk (hot but not boiling). Add the onion to the milk to lightly infuse for 5 minutes, then remove (optional but classic). 2. In a saucepan ov