Smith Island Cake
Welcome back to Bakery Blueprint, Episode 14. Today we are tackling the iconic Smith Island Cake, using the exact notebook measurements shown in image.png. Getting those signature paper-thin layers perfectly uniform isn't luck—it's pure baking science.
Here is the quick blueprint breakdown:
The Blueprint Ingredients
2 cups Sugar
1 lb Unsalted Butter
5 Eggs
3 3/4 cups Flour
1 tsp Salt
1 heaping tsp Baking Powder
1 cup Evaporated Milk
2 tsp Vanilla
3/4 cup Water
Quick Directions
1 Prep: Preheat your oven and prep your shallow cake pans (traditional Smith Island cakes require 8 to 10 ultra-thin layers).
2 Cream: Cream the 1 lb of unsalted butter and 2 cups of sugar until pale and fluffy.
3 Emulsify: Add the 5 eggs one at a time, ensuring they fully incorporate into the creamed mixture. Stir in the vanilla.
4 Dry & Wet: Whisk the flour, salt, and heaping teaspoon of baking powder together. Alternate adding the dry ingredients with the evaporated milk and water into your batter, mixing just until smooth.
5 Spread & Bake: Weigh out the batter evenly into your pans, spreading it incredibly thin. Bake the thin layers quickly until just set, then let them cool completely.
6 Assemble: Stack the cooled layers, spreading a rich, cooked chocolate fudge frosting thinly between each single layer.
Baking a Smith Island Cake can seem intimidating at first because of its many ultra-thin layers, but with a little patience and the right technique, it becomes a rewarding kitchen project. One key tip I've learned is to use multiple shallow pans or baking sheets so you can bake several thin layers simultaneously, which saves time and ensures consistent thickness. Also, weighing your batter for each layer helps maintain uniformity. When creaming the butter and sugar, take your time until the mixture is light and fluffy—that’s where the cake gets its tender crumb. Adding the eggs one at a time while fully incorporating each ensures the batter emulsifies properly, promoting an even rise. The folding in of dry ingredients alternating with evaporated milk and water strikes a great balance in moisture and structure, so avoid over-mixing to keep the cake layers tender. Once baked, let the layers cool completely before assembling. I find chilling the layers briefly makes spreading the chocolate fudge frosting easier and cleaner, producing neat, defined layers. The frosting itself, cooked to a fudge consistency, adds a rich, moist texture that perfectly complements the delicate cake layers. Sharing this cake at family gatherings always draws compliments because it’s as much a visual masterpiece as it is a delicious treat. Even if you don’t have a specialized pan set, using rimmed baking sheets and a spatula to spread a thin batter works well with practice. In short, the Smith Island Cake is a celebration of precise technique and rich flavors. Embrace the baking science behind it, and enjoy the process as much as the final, impressive slice!


