Charcutiere Sauce Another variation of brown sauce most commonly used with pork chops and roasts. Use about 1 1/2 cups of Brown Sauce. 1/2 cup onions, finely chopped 3 tablespoons butter 1/4 cup dry white wine 2 tablespoons wine vinegar BROWN SAUCE 1 teaspoon dry mustard Brown onions in butter, add wine vinegar , brown sauce and dry mustard and simmer for 5 minutes. Substitute a can of beef gravy for brown sauce if you wish .