Lemon Blueberry Snack Cake

Name: Lemon Blueberry Snack Cake
Ingredients: Cooking spray; 1 1/4 c. all-purpose flour; 1 1/2 tsp. baking powder; 1/4 tsp. baking soda; 1/4 tsp. kosher salt; 2 large eggs; 3/4 c. granulated sugar; 1/2 c. (1 stick) Land O Lakes® Unsalted Butter, melted; 1/2 c. whole milk; 1 tbsp. finely grated lemon zest; 3 tbsp. fresh lemon juice; 1 tsp. vanilla extract; 3/4 c. blueberries; 3/4 c. (1 1/2 sticks) Land O Lakes® Unsalted Butter; 3 c. powdered sugar; 2 tbsp. heavy cream; Pinch of kosher salt; 1 tbsp. finely grated lemon zest, for garnish; 1/4 c. blueberries