Use 10 1/2 x 15 1/2 sheet pan. Make cake mix, bake, cool. Beat together ... Refrigerate. Can be made day before. Bake at 350 degrees for 28 to 34 minutes.
Preheat oven to 375 degrees. ... pan. Put brownie mix in a large bowl. In ... cocoa icing. Frost cake while still hot. For Icing: ... in nuts and vanilla.
Mix first five ingredients in large ... and pour into sheet pan. Bake at 350 degrees for 32 to 35 minutes. While cake is warm, punch holes in ... then sprinkle frozen coconut.