01 -
Preheat the oven to 180°C (350°F). Line an 8-inch cake pan with cooking spray and set aside. Optionally, line the base of the pan with parchment paper.
02 -
In a large mixing bowl, combine flour, sugar, salt, and baking soda. Mix well.
03 -
Add olive oil, water, lemon juice, and vanilla extract to the dry mixture and mix until combined. Gently fold in the blueberries.
04 -
Transfer the batter into the prepared cake pan. Bake for 35-40 minutes, or until a skewer inserted into the center comes out clean. Allow the cake to cool completely in the pan before frosting, if desired.
05 -
In a bowl, beat cream cheese and butter until fluffy. Gradually add powdered sugar until fully combined. Adjust consistency by adding water if too thick or more powdered sugar if too thin.