Glazed Lemon Blueberry Coffee Cake

Name: Glazed Lemon Blueberry Coffee Cake
Ingredients: Nonstick cooking spray; 1 cup (2 sticks) unsalted butter, room temperature; 2 cups granulated sugar; 4 large eggs, room temperature; 2 ½ tablespoons freshly grated lemon zest (from 4 large lemons); 2 ½ tablespoons freshly squeezed lemon juice (from 2 lemons); 3 cups plus 1 tablespoon all-purpose flour; ½ teaspoon baking soda; ½ teaspoon coarse salt; 1 cup buttermilk; 1 ½ cups fresh blueberries (9 ounces); ½ cup confectioners' sugar; ½ cup freshly squeezed lemon juice (from 4 lemons); 2 teaspoons freshly grated lemon zest (from 1 lemon)