Heat oven to 350 degrees. Spray 8 or 9 inch square pan with cooking spray.
In a large bowl beat softened butter and brown sugar with an electric mixer for about 3 minutes or until light and fluffy.
Blend in Bisquick mix, scraping bowl occasionally until well blended. Evenly put dough in pan.
Bake 25 to 35 minutes or until golden brown.
Remove from oven and immediately sprinkle with the chocolate chips. Let stand 2 minutes. Spread chocolate over bars. Spread coconut and pecans over chocolate - pressing lightly to adhere to chocolate. Let cool completely - about 1 hour and 30 minutes. Cut into 4 x 4 squares.