This simple and utterly delicious 13x9 strawberry shortcake cake is the epitome of summer, and we just cant seem to get enough of it. Start with a box of bettys buttery yellow cake mix and watch this summertime sensation come to life. Once the cake is perfectly golden brown, layer with a homemade cream cheese frosting and top with sweetened strawberries. The combination of the fluffy topping and juicy berries makes for a crowd-friendly dessert you can bet will star at any potluck.