Caramel Hazelnut Linzer Cookies - Recipe Tweets

Ingredients

• 2/3 cup hazelnuts
• 2/3 cup packed light or dark brown sugar
• 2 1/2 cups all-purpose flour
• 1/2 teaspoon baking powder
• 1 teaspoon ground cinnamon
• 1/2 teaspoon salt
• 1 cup unsalted butter, softened
• 1 large egg, at room temperature
• 1 1/2 teaspoons pure vanilla extract
• 2 Tablespoons confectioners' sugar
• 1 cup granulated sugar
• 6 Tablespoons unsalted butter
• 1/2 cup heavy cream