How to Choose a Custom Cake for a Birthday Party
By Whisked Gluten-Free Bakery | Published: 2026-10-28
Category: Buying Guides
Find the perfect gluten-free custom cake for a birthday party. Learn how to match flavors, pick the right size, and decide between classic carrot or salted caramel.
Quick answer
For a birthday party, start by picking a flavor that suits the guest of honor and then choose a cake size that feeds everyone. Whisked Gluten-Free Bakery's custom cakes offer two standout options: the Classic Carrot Custom Cake with cream cheese icing or the Salted Caramel Custom Cake with Italian buttercream.
Flavor first: carrot or caramel?
The biggest decision is the cake flavor. The Classic Carrot Custom Cake is a three-layer carrot cake with double cream cheese icing. It's a traditional birthday choice, especially for adults who appreciate spice and tangy frosting. The Salted Caramel Custom Cake is a three-layer vanilla cake with salted caramel filling and Italian buttercream. It's sweeter and richer, ideal for anyone who loves caramel or wants a more indulgent treat.
Both cakes are entirely gluten-free, using flour blends with sorghum, millet, or rice flours. Neither is vegan—both contain eggs and dairy—so check with any guests who have dietary restrictions beyond gluten.
Size matters: how many guests?
Both custom cakes come in different size options. The exact servings per size are not listed, so you'll need to estimate based on the party headcount. A smaller size works for 8–12 people, while a larger one can serve 20–30. If you're unsure, contact the bakery for serving guidelines before ordering.
Remember that a custom cake requires advance ordering. Plan at least a few days ahead, especially for a birthday party.
Frosting preference: cream cheese vs. buttercream
The Classic Carrot Custom Cake uses a double cream cheese icing—tangy and smooth, pairing perfectly with the spiced carrot layers. The Salted Caramel Custom Cake uses Italian buttercream, which is lighter and less sweet than American buttercream, plus a homemade salted caramel sauce. If the birthday person dislikes cream cheese, go with the salted caramel. If they prefer a less sweet finish, the carrot cake is a better fit.
Your birthday cake decision guide
- Pick a flavor: Choose Classic Carrot Custom Cake if the birthday person likes spice cake and cream cheese frosting. Choose Salted Caramel Custom Cake if they prefer vanilla cake with a sweet, buttery caramel filling.
- Estimate servings: Check the available sizes and match them to your guest count. For a small party (up to 12), a smaller size works. For larger groups (20+), go bigger or order two cakes. Contact the bakery for exact serving numbers per size if you're unsure.
- Order in advance: Custom cakes are made to order. Place your order at least a few days before the party to ensure availability and avoid last-minute stress.
Cake options at a glance
- Classic Carrot Custom Cake: Three layers of carrot cake filled, masked and bordered with double cream cheese icing. The tangy cream cheese offsets the sweetness, making this a balanced choice for those who prefer less sugary desserts.
Classic Carrot Custom Cake - Salted Caramel Custom Cake: Three layers of vanilla cake filled with homemade salted caramel, masked and bordered with Italian buttercream. The salted caramel adds a rich, buttery flavor that appeals to fans of sweet-and-salty treats.
Salted Caramel Custom Cake
Which cake is right for your party?
Best for
- Classic Carrot Custom Cake is best for adults who enjoy spiced, less-sweet cakes with cream cheese frosting.
- Salted Caramel Custom Cake is best for kids or anyone who loves sweet, indulgent flavors and caramel.
Not for
- Vegan guests (both cakes contain eggs and dairy).
- Anyone who dislikes cream cheese or caramel—neither cake is a neutral vanilla option.
