Orange Cheesecake Brownies

Preheat oven to 350 degrees F. Butter and flour a 9 inch square pan.

For Cheesecake Batter: In a bowl stir together cream cheese, sugar, and zest with a wooden spoon until smooth. Beat in egg with a fork until blended, stir in flour.

For Chocolate Batter: In heavy 1 1/2 quart saucepan, melt butter and chocolates over low heat until smooth. Cool mixture 10 min then stir in sugar and vanilla. Add eggs one at a time beating well with a wooden spoon until smooth and shiny. Stir in flour and salt.

Spread chocolate batter evenly in pan. Drop cheesecake batter by large spoonfuls onto chocolate batter and run a knife through batters to make decorative swirled.

Bake in the middle of oven for 50 minutes or until cheesecake mixture is pale and golden and a tester comes out clean. Cool completely in the pan on a rack.