Preheat oven to 350 degrees.
Grease and flour a 9 x 9 inch square pan.
Mix sugar, shortening, vanilla and eggs in large bowl.
Stir in flour, cocoa, baking powder and salt. Spread in pan.
Sprinkle pecans over batter.
Bake 20 to 25 minutes or until toothpick inserted in center comes out clean.
Heat caramels and milk in 1-quart saucepan over low heat, stirring frequently until caramels are melted.
Drizzle over warm brownies. Cool completely.
Cut into squares.