Bake 28 to 31 minutes or until toothpick inserted 2 inches from side of pan comes out clean. Cool completely on cooling rack, about 1 1/2 hours. Remove from pan by lifting foil; peel foil away. To cut brownie into triangles, cut into 3 rows. Cut each row into 5 triangles (See diagram below in Expert Tips). Save smaller pieces for snacking.