This lemon blueberry cake recipe is a delicious twist on a classic lemon cake. The blueberries add a burst of sweetness that complements the tartness of the lemon. To make this cake, you will need flour, sugar, baking powder, salt, eggs, milk, vegetable oil, lemon zest, lemon juice, and blueberries. Mix the dry ingredients together, then add the wet ingredients and mix until smooth. Fold in the blueberries. Pour the batter into a greased cake pan and bake for 30-35 minutes. Let the cake cool before serving.