Heat oven to 350. Lightly grease a 15 x 10 inch baking pan.
For brownie base, in medium bowl with electric mixer, beat together sugar and butter til light and fluffy. Add vanilla and eggs, blending well.
Add flour and cocoa; mix well. Spread into prepared pan.
For coconut cluster topping, mix ingredients in a small bowl. Spread over batter. Bake for 25 to 30 minutes or til cake tester or toothpick inserted near center comes out with a few moist crumbs attached. Topping will be golden. Cool pan completely on wire rack. Cut into bars. Makes about 3 1/2 dozen.