Heat oven to 350°F. Spray 13x9-inch pan with Crisco® Original No-Stick Cooking Spray. Let cookie dough stand at room temperature 10 minutes to soften. Break up cookie dough and press in pan; sprinkle with 1 1/2 teaspoons of the sugar.
Bake 15 to 18 minutes or until edges are light golden brown. Remove from oven; place on cooling rack. Run knife around edge to loosen. Cool completely, about 40 minutes.
Meanwhile, in 12-inch skillet, mix hazelnuts, remaining 6 tablespoons of the sugar and the butter. Cook over medium heat 5 to 7 minutes, stirring until nuts are toasted and sugar-coated. Remove from skillet; set aside
In medium bowl, mix mascarpone cheese and chocolate hazelnut spread until well blended. Spread over cooled cookie crust. Top with sugared hazelnuts. Sprinkle with salt; press in lightly. Refrigerate 30 minutes. Cut into 6 rows by 4 rows. Store covered in refrigerator.