01 -
Puree 1 ½ cups of blueberries and cook them with ¼ cup of water over medium heat until reduced to ¾ cup. Let cool completely.
02 -
Preheat the oven to 350°F. Grease and flour three 8-inch round cake pans.
03 -
In a medium bowl, whisk together the cake flour, baking powder, baking soda, and salt.
04 -
In a separate bowl, mix sour cream, cooled blueberry puree, and vegetable oil.
05 -
In a stand mixer, cream the softened butter and sugar until light and fluffy. Add eggs one at a time, beating well after each addition.
06 -
Alternate adding the dry ingredients and the wet mixture to the butter mixture, beginning and ending with the dry ingredients. Optionally, add a small amount of pink coloring gel for a vibrant color.
07 -
Gently fold in the whole blueberries to the batter.
08 -
Divide the batter evenly among the prepared pans. Bake for 22-25 minutes, or until a toothpick inserted into the center comes out clean.
09 -
Let the cakes cool in their pans for 10 minutes, then turn them out onto cooling racks to cool completely.
10 -
To make the frosting, beat the softened butter in a stand mixer until smooth. Add cream cheese and mix until fully combined.
11 -
Gradually add the powdered sugar, lemon juice, and lemon zest to the mixer. Beat until the frosting is smooth and creamy.
12 -
Assemble the cake by layering and frosting each cake layer with lemon cream cheese frosting. Decorate with additional blueberries, lemon slices, or frosting designs as desired.