01 -
Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish and line it with parchment paper, leaving an overhang on the two long sides for easier removal.
02 -
In a medium mixing bowl, whisk together the flour, baking powder, baking soda, and salt. Set aside.
03 -
In a stand mixer fitted with the paddle attachment (or using a hand mixer), cream together the butter and sugar until light and fluffy.
04 -
Add the eggs one at a time, followed by the vanilla and buttermilk. Mix on low speed until fully incorporated.
05 -
Add the dry ingredient mixture to the wet ingredients, mixing until no streaks of flour remain. Mix in the lemon juice and zest.
06 -
Gently fold in the blueberries using a spatula.
07 -
Pour the batter into the prepared baking dish and bake for 40-45 minutes, or until a toothpick inserted into the center comes out with moist crumbs. Allow the cake to cool completely.
08 -
Combine the powdered sugar and lemon juice to make the glaze. Once the cake has cooled, pour the glaze over the top and allow it to set.
09 -
Garnish with fresh fruit if desired and serve. The cake can be lifted out of the pan or served directly from the dish.