German Chocolate Cake Mix

Store the unopened box in a cool, dry pantry. Once opened, transfer unused mix to an airtight container to keep it fresh. Check the box for the best-by date.

Follow package instructions carefully—mixes vary by brand. Some require oil instead of butter; some include pudding mix in the dry ingredients.

Room-temperature eggs and butter blend more smoothly and produce a more tender crumb.

Do not overmix the batter once you've combined wet and dry ingredients; mix just until combined.

The classic pairing is a homemade (or store-bought) coconut-pecan frosting for the layers and top.

Forgetting to grease and flour (or line) the cake pans—German chocolate cake is prone to sticking.

Overbaking; check for doneness with a toothpick a minute or two before the package suggests.

Using cold eggs or butter, which can result in a grainy or dense crumb.

Skipping the coconut-pecan frosting—it's essential to the classic flavor profile.