Pan9x13, sprayed or greased.
Melt 2 sticks of butter in a saucepan, remove from heat, add a cup of cocoa, mix well. Add 2 cups of sugar. Add 4 eggs one at a time. Add 1/2tsp salt and 2 tsp vanilla. Then fold in a cup of flour just till combined. In a separate bowl, add an 8oz block of softened cream cheese, 1/3 cup sugar, 1 egg, 1tsp vanilla and mix till blended. Spread half of brownie mixture in pan. Pour cream cheese over that. Dollop cherry pie filling or good, tart cherry jam liberally around the pan. Add the rest of the brownie stuff. (It will be stiff, so do your best to spread it) Take a toothpick and marble the top by dragging it through the pan. Bake for about 35 minutes or so, till a toothpick comes out cleanish.