How to Make It
Sauté onion in butter in a small saucepan over low heat until tender. Add flour; stir well. Cook 1 minute, stirring constantly. Gradually add milk; cook over low heat, stirring constantly, until thickened and bubbly. Add salt and pepper; stir well. Serve sauce hot with sweetbreads or as a base for other sauces.
Oxmoor House Homestyle Recipes