Preheat oven to 350F.

In a bowl combine flour, baking powder + salt. Mix throughly.

In a separate bowl combine sugar and lemon zest. Mix and set aside.

In a cup, add milk and lemon juice. Stir and set aside.

Beat eggs, oil, + vanilla extract together and add to the milk mixture.

Combine all wet and dry mixtures together. Stir in blueberries.

Pour into lightly oiled baking dish and bake for approximately 70-80 mins