01 -
Heat your oven to 350°F (175°C). Coat a 9-inch springform pan with butter and put parchment on the bottom. Put it aside for now.
02 -
Beat the cream cheese with sugar until smooth. Drop in the egg white and mix slowly just until everything comes together. Set it aside.
03 -
Put the flour, baking powder, baking soda, and salt in a bowl and stir them together. Leave this bowl on the side.
04 -
Beat the butter and sugar with your mixer on medium-low. Add the egg, yolk, and vanilla, mixing after. Slowly add your dry mix and sour cream back and forth until everything's mixed up.
05 -
Dump the cake mix into your pan and smooth it flat. Add the cream cheese mix on top. Scatter the raspberries all over the cream cheese layer.
06 -
In a bowl, mix sugar, flour, and the cold butter chunks. Use a fork to mash it all up until you get tiny crumbs about the size of peas.
07 -
Scatter your crumb mix over the berries. Bake for about 40-45 minutes. It's done when you poke it with a tester and it comes out clean.
08 -
Let the cake cool for 20 minutes on a rack. Slide a knife around the edges to free it up. Take off the pan ring. Keep any leftovers in your fridge.