Lemon Blueberry Bread – 1 2/3 cup all-purpose flour 211 gram – 2 tbsp cornstarch 16 gram – 2 tsp baking powder – 1/4 tsp salt – 1 cup granulated sugar – 2 tbsp fresh lemon zest – 4 tbsp unsalted butter room temperature (56 grams) – 1/4 cup olive oil 60 ml – 3 large egg – 1/2 cup sour cream – 1/4 cup lemon juice – 1 cup blueberries fresh or frozen Lemon Cream Cheese Glaze – 1/4 cup cream cheese room temperature (56 grams) – 1 tbsp unsalted butter room temperature (14 grams) – 1/4 cup powdered sugar 31 gram – 3 tbsp lemon juice 45 ml