In large bowl, combine all base inredients except flour; blend well. Stir in flour; mix well. If necessary, refrigerate dough for easier handling.
Heat oven to 325. On well-floured surface, roll half of dough to 12 x 8 inch rectangle. Using pastry wheel or knife, cut into 2 inch squares. Place 1/2 inch apart on ungreased cookie sheets. Bake at 325 for 12 to 16 minutes or until set. Cool on wire racks.
Repeat with remaining dough. In medium saucepan, combine caramels, 1/4 cup of whipping cream, and 1/4 cup butter; cook over low heat, stirring frequently, until caramels are melted and mixture is smooth. Remove from heat; stir in 1 cup of powdered sugar and chopped pecans. Spread 1 t. of warm filling on each cookie square.
In small saucepan, combine chocolate chips, 2 T. whipping cream and 1 T. butter; cook over low heat, stirring frequently, until chocolate chips are melted and mixture is smooth. Remove from heat; stir in 1/4 cup powdered sugar and 1 t. vanilla. Spread glaze over caramel filling. Top each cookie with pecan half.