Mix by hand your favorite brownie mix. Spread ½ of the brownie mixture in 9x13 inch pan sprayed with cooking spray. Mix cream cheese, butter, and sugar until light and fluffy. Add eggs, vanilla, and flour and mix well. Add orange food coloring to desired color. Spread cream cheese mixture on top. Drop remaining brownie batter on top and pull a knife through. Bake 30 minutes at 350 degrees. Frost with chocolate icing when cool if desired.