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Blackberry Jam Tart

Cornmeal and blackberries appear together in many baked goods and desserts, as their late-summer flavors complement each other beautifully. This recipe calls for you to prepare your own jam, for which you will be rewarded with a few extra jars. Otherwise, seek out a top-quality store-bought jam to use in its place; spike it with two tablespoons kirsch.

Recipe information

  • Yield

    makes one 10-inch tart

Ingredients

All-purpose flour, for dusting
1/2 recipe Pâte Brisée, Cornmeal Variation
1/2 pint Old Bachelor’s Jam (recipe follows), flavors stirred together, or 1 cup best-quality store-bought blackberry jam
12 ounces (about 3 cups) fresh blackberries
1/4 cup sliced almonds, toasted (see page 343)

Old Bachelor’s Jam

2 pounds (about 7 cups) fresh blackberries
3 1/2 cups sugar
2 lemons, halved
2 pounds (about 7 cups) fresh raspberries
1/2 cup (4 ounces) kirsch or other cherry-flavored liqueur
(makes 4 half-pint jars)

Preparation

  1. Step 1

    Preheat oven to 375°F. On a lightly floured surface, roll out dough to a 12-inch round, 1/4 inch thick. Press dough into bottom and up sides of a 10-inch springform pan. Trim edges to come 1 inch up sides of pan. Refrigerate or freeze until firm, about 30 minutes.

    Step 2

    Pierce bottom of shell all over with a fork. Bake until golden brown, about 25 minutes. Immediately spread jam in tart shell. Top with blackberries; sprinkle with almonds. Bake 10 minutes more. Transfer to a wire rack to cool slightly. Serve warm.

  2. Old Bachelor’s Jam

    Step 3

    Bring blackberries, 1 3/4 cups sugar, and juice of 1 lemon to a simmer in a large pot. Cook until sugar dissolves and berries are soft, 4 to 5 minutes. Press a parchment round directly on surface of jam, and refrigerate overnight. Repeat with raspberries and remaining 1 3/4 cups sugar and juice of 1 lemon in another large pot.

    Step 4

    Remove parchment rounds; bring each pot to a boil. Cook over medium-high heat until berries are slightly broken down and mixture is consistency of very loose jelly, about 12 minutes for blackberries and about 17 minutes for raspberries.

    Step 5

    Divide blackberry jam among 4 half-pint glass jars, filling each halfway; top each with 1 tablespoon kirsch. Divide raspberry jam among jars; top each with 1 tablespoon kirsch.

Martha Stewart's New Pies and Tarts
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