This recipe upgrades your regular boxed cake mix. With only a few added ingredients, this recipe takes boxed cake to the next level to make it taste like something you might find in a bakery. This ultra-moist cake is full of vanilla flavor. Serve with whipped cream and fresh strawberries for an extra something special. Excerpted from The “I Love My Instant Pot®” Three-Step Recipe Book by Robin Fields. Available where books are sold.