Blueberry Lemon Cake

My husband and I are not big fans of fresh blueberry. But we both like food made from blueberry, like jam or cake. So if I buy blueberries from supermarket, it means I will bake something with blueberry. Preheat oven to 180 degree C. Ingredients: Butter 130g Sugar 120g Vanilla 1 tsp Egg 1 Flour…