Recipes > Sauces & Spreads > Robert Sauce

Robert Sauce

Ingredients

• 2 ounces of onion
• 1 ounce of butter
• 2 tablespoonfuls of spiced vinegar
• 1/2 pint of Spanish sauce, or brown gravy
• 1 saltspoonful of salt
• 1/4 saltspoonful of pepper
• 2 teaspoonfuls of French mustard

Instructions

Chop the onion, fry pale yellow with the butter, add the spiced vinegar, and reduce one half by quick boiling; add the Spanish sauce or brown gravy, and boil slowly for fifteen minutes; then season with the salt, pepper, and French mustard, and serve.

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Source

The Cooking Manual of Practical Directions for Economical Every-Day Cookery (1877).