Tomato Onion Chutney

Ingredients

• 1 tablespoon red-wine vinegar
• 1 teaspoon mustard seeds
• 3 ½ tablespoons unsalted butter
• 1 14-ounce can tomatoes
• 1 tablespoon sugar
• ¹/₈ teaspoon ground allspice
• 2 tablespoons fresh parsley leaves
• + 1 more ingredients
• • 2 ½ cups onion

In a heavy skillet cook the onion and the mustard seeds in the butter over moderate heat until the onion begins to turn golden. Add the tomatoes, the vinegar, the sugar, and the allspice, cook the mixture, stirring and breaking up the tomatoes with a wooden spoon, until the chutney is very thick,...

View full recipe at Epicurious