01 -
Arrange oven racks in upper and lower thirds; preheat to 165°C. Grease two 23 cm round cake pans and line with parchment slings. Boil a large pot of water.
02 -
Beat softened cream cheese and granulated sugar in a large bowl until smooth. Beat in eggs one at a time, then incorporate sour cream and salt until homogenous.
03 -
Combine brown sugar, melted butter, flour, and ground cinnamon in a small bowl.
04 -
Divide cheesecake filling between pans and smooth surface. Top with cinnamon swirl mixture and use a butter knife to swirl through the batter.
05 -
Set a deep baking dish on the lower oven rack and fill with boiling water to create a water bath. Place cheesecake pans on upper rack. Bake until centers are just set but slightly jiggly, 15–20 minutes.
06 -
Turn off oven and prop door open. Cool cheesecakes inside for 20 minutes, then refrigerate until cold and set, at least 2 hours and up to 3 days.
07 -
Preheat oven to 150°C. Mix streusel ingredients, spread thinly on parchment-lined baking sheet, and bake until dry with firm edges, about 20 minutes. Cool completely.
08 -
Increase oven temperature to 175°C. Grease and line two 23 cm pans. Cream butter, granulated sugar, and brown sugar until light. Beat in eggs individually, followed by vanilla.
09 -
Add flour, baking powder, and salt, beating until only a few dry streaks remain. Blend in milk until just combined.
10 -
Break streusel into pea-sized pieces and fold into cake batter. Divide evenly between pans and smooth the tops.
11 -
Bake until a tester emerges clean, 20–24 minutes. Cool cakes in pans for 10 minutes before transferring to a wire rack to cool completely.
12 -
Beat softened cream cheese and butter until smooth. Mix in confectioners' sugar and vanilla until fully combined.
13 -
Level cake layers. Set one cinnamon cake layer on a serving platter and spread with a thin layer of frosting. Gently invert a cheesecake layer onto the cake and remove parchment. Cover cheesecake with another thin layer of frosting. Repeat layering with remaining cake, frosting, and cheesecake layers.
14 -
Frost top and sides of assembled cake with remaining frosting. Press chocolate pearls onto sides if using, and drizzle caramel sauce in a spiral over the top.