Preheat your oven to 325°F convection setting (or 350°F standard)
Prepare your 6 inch round cake pan- spray with cooking spray or line with a circle of parchment paper.
Measure the sour cream, canola oil, vanilla extract and almond extract. Set aside.
In the bowl of your mixer, with the paddle attachment, measure the cake flour, sugar, baking powder and salt.
With the mixer on low, add the room temperature butter in small pieces to the dry ingredients. Keep the mixer running until you create a sandy texture with the butter broken up into evenly sized pieces, about 2 and half minutes. Scrape down the bowl
With the mixer on medium, slowly pour in the liquids mixture.
Scrape down the bowl, ensuring there are no clumps of flour stuck on the bottom of the bowl
Add 1 egg white and mix on low until it is fully absorbed, about 1 minute
Scrape down the bowl
Add the second egg white and mix until it is fully absorbed
Turn off the mixer, add in the sprinkles. Fold the batter gently with a spatula to evenly distribute the sprinkles.
Pour into the prepared pan, bake for 30 minutes at 325°F convection setting (or 350°F standard), until a toothpick inserted in the center comes out clean
Cool on a cooling rack for 15 minutes before removing from pan and then cool completely before frosting, about 1 hour