Celebrate with Tastykake’s Birthday Kake Mini Donuts, the perfect treat to satisfy your summer sweet tooth. They feature a birthday cake-flavored donut covered in a festive colored crunch. Packaged in multipack bags (S.R.P. $2.99) and 6-ct. single-serve packs ($1.79), they will be available everywhere Tastykake is sold June 5 through Aug. 26.