1 cup white sugar
1/2 cup unsalted butter, melted
1/4 cup unsweetened cocoa powder
1 ounce red food coloring
1 teaspoon vanilla extract
1 teaspoon distilled white vinegar
1/4 teaspoon salt
2 large eggs, slightly beaten
3/4 cup all-purpose flour
For the Cheesecake Filling:1
(8-ounce) package cream cheese, softened
1/4 cup white sugar
1 large egg
1/4 teaspoon vanilla extract