In large bowl mix butter, white sugar, egg, 2 ounces melted chocolate, milk and vanilla. Mix in flour, baking powder, salt and chopped pecans on low speed to form soft dough.
Divide dough in half and chill 1-2 hours.
Preheat oven to 400 degrees F (205 degrees C). Mold dough by rounded teaspoons around a caramel half. Place on ungreased baking sheet and bake 7 minutes till set.
To Make Glaze: In a bowl, blend together confectioners' sugar, corn syrup, 1 ounce chocolate and hot water. After cookies have cooled, swirl cookies in chocolate glaze.
