I can provide you with some popular cake and icing flavor combinations that people enjoy:
Classic Vanilla Cake with Buttercream Icing: A simple and delicious combination loved by many.
Chocolate Cake with Chocolate Ganache: Rich and decadent, this pairing is a favorite among chocolate lovers.
Red Velvet Cake with Cream Cheese Frosting: The tangy cream cheese frosting complements the moist and slightly cocoa-flavored cake.
Lemon Cake with Lemon Buttercream: A refreshing and zesty combination, perfect for those who enjoy citrus flavors.
Carrot Cake with Cream Cheese Frosting: The creamy and tangy cream cheese frosting pairs beautifully with the moist and spiced carrot cake.
Coconut Cake with Coconut Cream Cheese Frosting: A tropical delight, where the coconut-flavored cake is enhanced by the creamy and coconut-infused frosting.
Remember, taste preferences can vary from person to person, so it's always a good idea to consider the preferences of those you are serving.