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Indio Mandarinquat-Vanilla Bean Marmalade

Although it's traditionally made with sour orange and lemon, marmalade is open to interpretation.

  • yield: Makes about 2 quarts

Ingredients

  • 3 pounds Indio mandarinquats, half cut into 1/8-inch-thick slices, half cut into 1/4-inch-thick strips, seeded
  • 2 vanilla beans, split and scraped, pods reserved for another use
  • 2 lemons, thinly sliced, seeded, slices quartered
  • 1 1/2 quarts cold water
  • Sugar

Directions

  1. Step 1

    Bring fruit, peels, and water to a boil in a large saucepan. Cook for 5 minutes. Turn off heat, cover, and let cool. Refrigerate for 8 hours (or up to 1 day).

  2. Step 2

    Freeze a plate. Uncover citrus mixture, and bring to a simmer over medium-high heat. Cook until thickest peel is tender, about 20 minutes. Measure mixture, and return to pan. For each cup of mixture, add 3/4 cup sugar.

  3. Step 3

    Bring mixture to a boil, stirring often. Cook until mixture registers 220 degrees to 222 degrees on a candy thermometer, about 20 minutes. To test for doneness of marmalade: Drop a spoonful on frozen plate. If marmalade has a slight film when pushed with a finger, it's done. If it spreads out and thins immediately, continue cooking, and test again after a few minutes. Transfer marmalade to airtight containers, cover, and let cool at room temperature. Refrigerate overnight before serving. (Marmalade will keep, covered and refrigerated, for up to 1 month.)

Source
Martha Stewart Living, January 2009