Best Lemon Blueberry Breakfast Cake Recipe - How to Make Lemon Blueberry Cake

Ingredients

• Cooking spray
• 3 c. (360 g.) all-purpose flour
• 3/4 tsp. kosher salt
• 1/2 tsp. baking soda
• 1 c. (2 sticks) unsalted butter, room temperature
• 2 tsp. finely grated lemon zest
• 2 1/4 c. (450 g.) granulated sugar, divided, plus more for dusting (optional)
• 3 large eggs, room temperature
• 2 tsp. pure vanilla extract
• 1 c. buttermilk, room temperature
• 3 c. fresh blueberries, divided
• Powdered sugar, for serving