• Preheat oven to 350 degrees and line the bottom of a 9 in springform pan with parchment paper and spray the insides of the springform pan with baking spray, set aside

Streusel

• Using a medium bowl, add the flour, brown sugar, cinnamon, and nutmeg and whisk until combined
• Mix in the melted butter and vanilla and then set aside

Cake

• Using a standing mixer or hand mixer, cream together the butter and sugar until combined
• Add in the egg, one at a time, beating well after each egg
• Mix in the vanilla and sour cream until combined
• In a medium bowl, whisk together the flour, baking soda, salt and baking powder until combined.
• Gradually mix in the dry ingredients with the wet until combined
• Scoop half of the cake batter into the prepared springform pan
• Spread your diced apples on top of the batter
• Sprinkle half of your streusel onto the apples
• Pour remaining cake batter on top of the streusel and top with the rest of the streusel
• Bake in the oven for 40-55 minutes or until a toothpick comes out clean
• Allow to cool completely on the counter before removing springform pan. Note: run your knife around the edge to loosen things up a bit before removing the pan.

Icing

• In a small bowl, whisk together the powdered sugar, apple cider and cinnamon until combined and smooth
• Drizzle onto the cooled cake and enjoy!