Preheat oven to 350*F and spray a 8×8 pan with nonstick cooking spray.

In a medium bowl, add olive oil, milk, egg, lemon juice and zest, sugar, and vanilla – mix together.

On top of the wet ingredients add the dry ingredients in the order listed – give them a gentle stir together and then mix with the wet ingredients below just until combined.

Pour into the sprayed baking dish and bake in the preheated oven for 20-25 minutes or until the top is slightly light brown and a toothpick inserted into the center comes out clean.

Let cool slightly before cutting. Optional: When cooled, dust with powdered sugar.