Chocolate Hazelnut Shortbread Squares Recipes

Steps:

• Preheat oven to 350°. Cream butter, Nutella and confectioners' sugar until light and fluffy, 5-7 minutes. Beat in egg. In another bowl, whisk flour, cinnamon and salt; gradually beat into creamed mixture. Add hazelnuts; mix well., Divide dough in half; shape each into a disk. On a lightly floured surface, roll each portion to 1/8-in. thickness. Cut with a floured 2-1/4-in. scalloped round cookie cutter. Place 1 in. apart on ungreased baking sheets. Bake until bottoms are light brown, 8-10 minutes. Remove from pans to wire racks to cool. If desired, dust with confectioners' sugar.

Steps:

• Preheat oven to 350 degrees F.
• Place hazelnuts on baking sheet. Bake until they're a shade darker and fragrant, about 10 to 15 minutes. Remove from oven and set aside to cool.
• Lower oven to 325 degrees F.
• Place hazelnuts in blender or food processor and pulse to coarse bits; set aside. Whisk together flour, baking powder, and salt to blend; set aside.
• Beat butter and sugar together with a wooden spoon until smooth. Beat in egg. Gradually beat the flour mixture into the butter mixture. Add the chopped hazelnuts and mix until distributed evenly throughout.
• Form into long cookies and place on greased cookie sheets. Bake until firm, about 15 minutes. Remove from oven and cool on racks.
• In a saucepan over lowest heat or in a double boiler, melt chocolate. Dip 1 end of cooled cookies into melted chocolate. Place back on cookie sheet to harden.

Steps:

• Crust: Preheat oven to 375 degrees with rack in middle. Butter a 9-inch square cake pan. Line bottom and 2 sides with parchment, leaving a 1-inch overhang. Butter parchment.
• With a mixer on medium speed, beat butter with brown sugar, vanilla, and salt until fluffy, about 2 minutes. Reduce speed to low; beat in flour until combined and a soft dough forms.
• Spread dough in prepared pan, pressing evenly with the bottom of a dry-measure cup. Prick all over with a fork. Bake until golden, about 15 minutes. Let cool completely in pan on a wire rack.
• Truffle: In a small saucepan, bring cream just to a boil over medium heat. Remove from heat; whisk in chocolate until melted and combined. Add liqueur and salt, whisking until blended, then stir in nuts. Let cool slightly.
• Pour chocolate mixture evenly over cooled crust. Refrigerate, uncovered, until cold and set, about 2 hours.
• Remove shortbread from pan using parchment; place on a cutting board. Dust top completely with cocoa powder. Cut into 48 squares, dipping knife in hot water and wiping clean before each slice. Refrigerate in a single layer until ready to serve, up to 1 week.