Work in batches to avoid blending with a full jar. Return the sauce to the pot and simmer, uncovered, 5 minutes more. As the sauce is simmering, swish a little liquid around in the blender and add ...
Heat butter in a small non-stick skillet then in arrowroot Gradually add milk cook stirring until sauce thickens Stir in salt pepper VARIATIONS: THICKER SAUCE Add more butter and more arrowroot for ...