For the Chocolate Cake:

• 1 cup all-purpose flour
• 1 cup granulated sugar
• 1/3 cup unsweetened cocoa powder
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1 large egg
• 1/2 cup buttermilk
• 1/2 cup vegetable oil
• 3/4 teaspoon vanilla extract
• 1/2 cup boiling water

For the Strawberry Cheesecake:

• 24 ounces cream cheese, softened
• 1 cup granulated sugar
• 3 tablespoons all-purpose flour
• 1 cup sour cream
• 4 large eggs
• 3 tablespoons strawberry extract
• Red food coloring (optional)

For the Vanilla Bean Mousse:

• 1 1/2 teaspoons gelatin powder
• 1 1/2 tablespoons cold water
• 2 1/3 cups heavy whipping cream
• 1/2 cup granulated sugar
• 2 1/2 teaspoons vanilla bean paste

For the Whipped Vanilla Icing:

• 2 cups heavy whipping cream
• 1 cup powdered sugar
• 1 teaspoon vanilla bean paste
• 1/4 teaspoon vanilla extract