Lemon Blueberry Sheet Cake

Ingredients

1 cup all-purpose flour

1/2 cup granulated sugar

1/2 cup unsalted butter, melted

2 large eggs

1 tsp baking powder

1/4 tsp salt

1 tablespoon lemon juice

1 tablespoon lemon zest

1 cup fresh blueberries

1 cup powdered sugar (for glaze)