1. Preheat oven to 350. Prepare 8x8 baking pan with parchment paper long enough to hang over on two sides, making it easier to remove from pan once baked. Spray pan and paper. 2. In small saucepot over medium heat, or in the microwave, melt chocolate and butter until smooth. Allow to cool slightly.
3. In a separate bowl, beat eggs, vanilla and red food coloring with the sugar. Slowly add in chocolate mixture until well combined. 4. In small bowl, sift together cocoa, salt and flour. Add mixture to rest of batter. Do not overmix. Pour batter into prepared baking pan.
5. Cheesecake: Beat ingredients together until smooth. Pour over brownie batter. Use sharp knife to swirl together. 6. Bake 1 hour to 1 hour 10 minutes, or until just set and toothpick inserted comes out clean. Allow to cool.