Maple Bourbon Butter Cake

Maple bourbon butter cake is a tender, moist layer cake with deep maple flavor and a subtle warmth from bourbon, topped with a silky maple buttercream. The secret is room-temperature ingredients and brown butter, which add richness and a toasted note that makes the maple taste more complex.

Ingredients for Maple Bourbon Butter Cake

All-purpose flour builds structure without making the cake tough. Brown sugar adds moisture and a deeper sweetness than white sugar. Unsalted butter, melted and browned, gives a nutty depth that rounds out the bourbon and maple. Eggs at room temperature emulsify smoothly into the batter and create a tender crumb. Maple syrup is the backbone of flavor here, so use pure maple, not pancake syrup. Bourbon adds a subtle spice and warmth that amplifies the maple without tasting like whiskey. Baking powder and baking soda work together to lift the cake and keep it moist. Salt sharpens all the sweet flavors. Vanilla extract rounds out the profile. For the frosting, more unsalted butter at room temperature, maple syrup, and a pinch of salt make a frosting that tastes like maple without being cloying.

Why This Maple Bourbon Butter Cake Works

Brown butter is the key to this cake’s depth. When you melt butter and let it cook until the milk solids turn golden and smell nutty, you add a toasted note that makes maple taste richer and more sophisticated. The bourbon is added to the wet ingredients before baking, so it flavors the crumb as the cake bakes, but the alcohol does not fully cook off, so this is a cake for adults.

Room-temperature eggs and butter mix into the batter more evenly than cold ones, creating a tender, fine crumb. The combination of baking powder and baking soda lifts the cake while the acidic bourbon helps the soda work, giving you a moist cake that still has good structure. Maple syrup in both the cake and frosting means the flavor builds and repeats, so it tastes intentional and strong.

Mistakes To Avoid

Using cold butter and eggs makes the batter lumpy and hard to mix, and the cake bakes up dense and uneven. Room-temperature ingredients blend smoothly into a smooth batter that bakes into a tender crumb.

Overbaking by even a few minutes dries out this delicate cake because the maple and bourbon make it cook faster than plain cake. Start checking at 45 minutes and look for a toothpick with just a few crumbs clinging to it, not wet batter.

Skipping the brown butter step leaves the cake tasting flat and one-dimensional. The toasted milk solids are what make the maple taste complex and grown-up instead of like pancake syrup.

Frosting the cake while it is still warm melts the buttercream and makes it slide off. Wait until both layers are completely cool to room temperature, or chill them for 30 minutes before frosting.

As an Amazon Associate, we earn from qualifying purchases.

Ingredients

• 1/2 cup (115 grams) unsalted butter, plus more for the pans
• 1 3/4 cups (220 grams) all-purpose flour
• 1 1/2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 3/4 cup (165 grams) packed brown sugar
• 2 large eggs, room temperature
• 1/2 cup pure maple syrup
• 2 tablespoons bourbon
• 1 teaspoon vanilla extract
• 1/2 cup (115 grams) unsalted butter, room temperature, for frosting
• 1/4 cup pure maple syrup, for frosting
• Pinch of salt, for frosting

Step-by-step Instructions

1. Heat oven to 350°F (175°C). Butter two 8-inch round cake pans and line the bottoms with parchment paper.
2. Melt 1/2 cup butter in a small saucepan over medium heat. When foaming, watch until the milk solids turn golden brown and it smells nutty, about 8 to 10 minutes. Pour into a bowl and cool to room temperature.
3. Whisk together flour, baking powder, baking soda, and 1/2 teaspoon salt in a small bowl.
4. In a large bowl, beat 3/4 cup brown sugar and 2 eggs with an electric mixer on medium speed for 2 to 3 minutes until pale and thick.
5. Add cooled brown butter to the egg mixture and beat on medium until combined. Add 1/2 cup maple syrup, 2 tablespoons bourbon, and 1 teaspoon vanilla and beat until smooth.
6. Add the flour mixture to the wet ingredients and mix on low speed just until no white streaks remain, about 30 seconds. Do not overmix.
7. Divide batter evenly between the prepared pans and smooth the tops.
8. Bake at 350°F (175°C) for 45 to 50 minutes until a toothpick inserted in the center comes out with just a few moist crumbs. The cakes should pull slightly from the sides of the pans.
9. Cool in the pans for 15 minutes, then turn out onto a wire rack and cool completely to room temperature, about 1 hour.
10. For the frosting, beat 1/2 cup room-temperature butter with an electric mixer on medium speed until pale and fluffy, about 2 minutes. Add 1/4 cup maple syrup and a pinch of salt and beat until smooth and spreadable, about 1 minute.
11. Place one cake layer on a serving plate and spread with half the frosting. Top with the second layer and spread the remaining frosting over the top and sides.