Hazelnut Linzer Cookies with Blackberry Jam Recipe | Epicurious

Ingredients

• 1 1/4 cups all purpose flour
• 2 teaspoons ground cinnamon
• 1 teaspoon baking powder
• 1/2 teaspoon freshly grated nutmeg
• 1/2 teaspoon salt
• 3/4 cup (1 1/2 sticks) unsalted butter, room temperature
• 1 cup powdered sugar plus more for decorating
• 5 teaspoons (packed) finely grated orange peel
• 2 teaspoons grated lemon peel
• 3 large egg yolks
• 1 1/4 cups hazelnuts, finely ground in processor (about 1 1/2 cups ground)
• Blackberry jam