Active time: 15 min Start to finish: 1 hr

　　

Ingredients

Makes about 2 cups

　　1 vanilla bean, halved lengthwise

　　1 (12-oz) bag fresh or unthawed frozen cranberries (3 1/2 cups)

　　1 1/2 cups sugar

　　1/2 cup fresh orange juice

　　1/2 cup water

　　

Special Equipment

a food mill fitted with fine disk

　　

Step 1

Scrape vanilla seeds from pod into a 2-quart heavy saucepan. Add pod and remaining ingredients and bring to a boil, stirring occasionally. Reduce heat and simmer, stirring occasionally, until thick, about 20 minutes (jam will continue to thicken as it cools).

　　

Step 2

Purée jam in food mill set over a bowl, discarding skins and pod. Cool, stirring occasionally.

　　Cooks' note:

　　• Jam can be made 4 days ahead of assembling trifle and chilled, covered.