Ukrainian Prune Torte

INGREDIENTS

• Almond Cake:
• 1 cup butter
• 1 cup confectioners' sugar, divided
• 1 egg
• 1/2 teaspoon almond extract
• 1 pinch salt
• 3/4 cup blanched almonds
• 2 cups sifted all-purpose flour
• Prune Filling:
• 16 ounces pitted prunes
• 1 cup water
• 1 cup white sugar
• 1 teaspoon ground cinnamon
• 1 tablespoon lemon juice