1Heat oven to 350ºF. Grease and flour 13x9-inch pan. In 2-quart saucepan, heat butter and baking chips over low heat, stirring frequently, just until melted. (Mixture may appear curdled.) Remove from heat; cool.
2Stir in remaining brownie ingredients until well blended. Spread evenly in pan.
3Bake 30 to 35 minutes or until toothpick inserted in center comes out clean. Cool completely.
4In medium bowl, mix all glaze ingredients until smooth and spreadable. Spread glaze over brownies. For brownies, cut into 8 rows by 4 rows.