Step 1: Prepare the Batter

1. Preheat your oven to 350°F (175°C). Grease and flour a Bundt pan.
2. In a large bowl, whisk together flour, cocoa powder, baking powder, baking soda, and salt.
3. In another bowl, beat butter and sugar until light and fluffy. Add eggs one at a time, mixing well after each addition.
4. Mix in vanilla extract and sour cream. Gradually add dry ingredients, alternating with coffee.

Step 2: Make the Cheesecake Filling

1. Beat cream cheese and sugar until smooth.
2. Add egg and vanilla, mixing until fully incorporated.

Step 3: Assemble the Cake

1. Pour half of the chocolate batter into the prepared Bundt pan.
2. Spoon cheesecake filling evenly over the batter, avoiding the edges.
3. Cover with remaining chocolate batter.

Step 4: Bake to Perfection

1. Bake for 50-55 minutes or until a toothpick inserted comes out clean.
2. Let cool in the pan for 15 minutes before transferring to a wire rack.

Step 5: Garnish & Serve

1. Drizzle with chocolate ganache or dust with powdered sugar.
2. Slice and enjoy!