"To flavor the cake" means to add something that enhances or improves the taste of something, just like how adding certain ingredients or spices can make a cake more delicious.
Sentences with «to flavor the cake»
TIP: You can make these with other flavored cake mixes too. (soulfullymade.com)
There's no denying the popularity of this orange - flavored cake with the creamy pineapple frosting. (bettycrocker.com)