For the cheesecake:
1 1/4 pounds bar cream cheese (20 oz), room temperature
3/4 cups sugar
1/2 teaspoon finely grated lemon zest, plus 1/2 tablespoon fresh lemon juice
1/4 teaspoon coarse salt
2 large eggs
1/2 cup sour cream

For the cake:
2 1/2 c. cake flour
1 1/2 c. sugar
1 tsp. baking soda
1 TBSP cocoa powder
1 tsp. salt
2 eggs
1 1/2 c. vegetable oil
1 c. buttermilk
2 TBSP (1 oz.) red food coloring
1 tsp. vanilla extract
1 tsp. white distilled vinegar

For the frosting:
12 oz. cream cheese, softened
12 oz. butter, softened
1 1/2 tsp. vanilla extract
3 c. confectioners' sugar

1 bar white or dark chocolate (Optional for decoration), I used Ghiradelli