Blueberry Gooey Butter Cake Bars are the ultimate in a scrumptious but gooey cookie recipe. This luscious and decadent cake-type bar that’s oh, so, ooey and delicious is one of our favorites and will certainly become one of your favorites too! This bar has a crust layer, topped with a cheesecake layer and blueberries. Perfect for holiday baking, tailgating parties, company dinners or any occasion.