Preheat oven and prepare baking pans.
Whisk dry ingredients together in a bowl.
Cream butter, sugar, and oil together.
Add eggs one at a time, then mix in lemon juice and zest.
Alternate adding dry ingredients with sour cream and buttermilk.
Fold in fresh blueberries.
Pour batter into pans and bake until done.
Let cakes cool before frosting.
Prepare cream cheese frosting and frost the cake.
Enjoy this delightful Lemon Blueberry Cake!
