Best Butter Pecan Cake with Buttercream Frosting Recipe

This Best Butter Pecan Cake with Buttercream Frosting is a tender three-layer dessert made with brown sugar, vanilla, buttermilk, and plenty of toasted pecans. The cake bakes in 25–30 minutes, serves approximately 12–16 people, and is finished with a creamy American buttercream that is easy to spread and decorate.

Every bite combines moist vanilla-brown-sugar cake with buttery toasted pecans and fluffy frosting. Toasting the nuts first brings out their rich, warm flavor, while a short resting period lets the cake and buttercream taste even more delicious together.

Why You’ll Love This Recipe

This cake has the cozy flavor of a classic Southern bakery dessert without requiring complicated techniques. The batter is built from familiar ingredients, yet the combination of brown sugar, buttermilk, vanilla, and toasted pecans gives the finished cake a wonderfully rich character.

The three layers make this dessert beautiful enough for birthdays, holidays, showers, and family celebrations. Each layer stays soft beneath a generous coating of buttercream, and the crunchy pecans provide a pleasing contrast to the smooth frosting.

If you enjoy tender cakes with a generous crumb topping, you may also like our favorite crumb cake for breakfast or afternoon coffee.

Ingredients You’ll Need

The recipe uses 1 1/2 cups of finely chopped pecans for the cake, plus an optional 1/2 cup of toasted pecans for filling or decoration. Toasting all of the nuts at the beginning makes the process simple and ensures that every portion has a deep, fragrant pecan flavor.

• Butter and sugars: Unsalted butter, granulated sugar, and packed light brown sugar create a rich, tender base with gentle caramel notes.
• Eggs and vanilla: Four room-temperature eggs provide structure, while vanilla rounds out the buttery flavor.
• Dry ingredients: All-purpose flour, baking powder, baking soda, and salt form the cake structure and provide balanced lift.
• Buttermilk: One cup adds moisture and a subtle tang that keeps the cake from tasting overly sweet.
• Buttercream: Soft butter, sifted confectioners’ sugar, vanilla, salt, and a small amount of cream or milk make a smooth American buttercream.

Room-temperature ingredients blend more evenly than cold ingredients. Set the butter, eggs, and buttermilk out before starting, and sift the confectioners’ sugar so the frosting is smooth instead of lumpy.

How to Make It Step-by-Step

Step 1: Heat the oven to 350°F and prepare three 8- or 9-inch round cake pans. Grease and flour each pan thoroughly, then place parchment rounds on the bottoms if you want the layers to release especially easily.

Step 2: Spread the finely chopped pecans on a baking sheet and toast them for 8–10 minutes, stirring once during baking. They should smell fragrant and nutty, not dark or burned, so watch closely during the final minutes.

Step 3: Let the pecans cool completely before adding them to the batter or frosting. Reserve about 1/2 cup if you plan to decorate the top and sides, and use the remaining toasted pecans in the cake.

Step 4: Add the softened butter, granulated sugar, and packed brown sugar to a large mixing bowl. Beat for 3–4 minutes until the mixture looks pale, airy, and fluffy; this creaming time helps create a lighter cake.

Step 5: Add the room-temperature eggs one at a time, beating well after each addition. Scrape down the bowl as needed, then mix in the vanilla extract until evenly incorporated.

Step 6: In a separate bowl, whisk the flour, baking powder, baking soda, and salt together. Add the dry ingredients to the butter mixture in three additions, alternating with the buttermilk in two additions, and mix only until no obvious streaks remain.

Step 7: Fold 1 cup of the cooled toasted pecans into the batter with a spatula. Folding keeps the batter from being overworked and distributes the nuts without breaking down the air created during creaming.

Step 8: Divide the batter evenly among the prepared pans. If you have a kitchen scale, weighing the batter portions is an easy way to make the layers the same thickness, but careful spooning works well too.

Step 9: Bake the pans for 25–30 minutes, checking near the lower end of the baking range. The cakes are ready when a toothpick inserted into the center comes out clean or with a few moist crumbs, rather than wet batter.

Step 10: Cool the cakes in their pans for 10 minutes before turning them onto wire racks. Allow them to cool completely before frosting, because warm layers can soften the buttercream and cause the cake to shift.

Step 11: For the frosting, beat the softened butter for 2–3 minutes until smooth. Add the sifted confectioners’ sugar gradually, then mix in the vanilla and salt.

Step 12: Beat in the heavy cream or whole milk 1 tablespoon at a time until the buttercream is smooth and spreadable. Continue beating for 3–5 minutes so the frosting becomes lighter and easier to swirl over the cake.

Step 13: Place the first cake layer on a serving plate and spread it with buttercream. Sprinkle with some chopped toasted pecans, add the second layer, and repeat the filling before placing the final layer on top.

Step 14: Cover the top and sides with the remaining frosting, then finish with the reserved pecans. For a polished presentation, use a bench scraper on the sides and a small offset spatula to create soft swirls on top.

Pro Tips for a Tender Pecan Cake

The most important flavor step is toasting the pecans. Raw pecans can taste muted in a rich cake, while toasted pecans bring out a warm, buttery aroma and a more satisfying crunch.

Do not rush the creaming stage, but do avoid overmixing once the flour is added. Beat the butter and sugars for the full 3–4 minutes, then mix the flour and buttermilk only until the batter comes together.

• Use softened butter that dents when pressed but is not shiny or melted.
• Bring eggs and buttermilk to room temperature for a more uniform batter.
• Cool toasted pecans completely before folding them into the cake.
• Chill cooled cake layers for 20–30 minutes before frosting for cleaner edges.
• Apply a thin crumb coat, chill briefly, then add the final layer of buttercream.
• Let the finished cake rest for several hours or overnight so the pecan flavor and frosting become more pronounced.

For another dessert with comforting brown-sugar flavor, try this sticky toffee pumpkin cake. Its warm spice profile makes it a lovely choice for an autumn dessert table.

Decorating and Serving Ideas

A simple finish of chopped toasted pecans around the top edge gives the cake an elegant bakery-style appearance. You can also press pecans gently into the lower sides of the frosting or arrange a small ring of pecan pieces around each slice.

Serve the cake at room temperature so the buttercream is soft and creamy. A sharp knife wiped clean between cuts will reveal the three golden layers and keep the presentation neat.

This cake is especially welcome after a generous meal. If you are planning a Southern-inspired gathering, pair dessert with grilled corn on the cob as part of the savory menu, then finish with coffee and a slice of cake.

Storage and Make-Ahead Advice

Keep the covered cake at room temperature for up to 2 days, provided your kitchen is not unusually warm. The buttercream will remain soft and pleasant, and the cake will stay moist under a cake cover.

For longer storage, refrigerate the covered cake for up to 5 days. Let it stand at room temperature before serving so the frosting softens and the cake regains its best texture.

You can bake the layers ahead, cool them completely, wrap them well, and chill them before decorating. Chilled layers are easier to stack and frost, while the finished cake benefits from resting for several hours or overnight.

When planning a dessert spread, this cake can share the table with our pineapple upside-down cheesecake cake for guests who enjoy a fruity centerpiece, or a classic shortcut pumpkin pie for a wider selection of comforting desserts.

Best Butter Pecan Cake with Buttercream Frosting

A moist three-layer butter pecan cake made with brown sugar, buttermilk, and toasted pecans, covered in smooth vanilla buttercream frosting. This Southern-style dessert makes approximately 12–16 servings.

Print Recipe Pin Recipe

Prep Time 30 minutes mins

Cook Time 25 minutes mins

Total Time 2 minutes mins

Servings: 12 servings

Ingredients Method Notes

Ingredients

  

Cake

• 1 1/2 cups Pecan halves or pieces, finely chopped
• 1 cup Unsalted butter, softened
• 1 cup Granulated sugar
• 1 cup Light brown sugar, packed
• 4 eggs Large eggs, room temperature
• 2 teaspoons Vanilla extract
• 2 1/2 cups All-purpose flour
• 2 teaspoons Baking powder
• 1/2 teaspoon Baking soda
• 1/2 teaspoon Salt
• 1 cup Buttermilk, room temperature

Buttercream Frosting

• 1 cup Unsalted butter, softened
• 4 cups Confectioners' sugar, sifted
• 2 teaspoons Vanilla extract
• 1/4 teaspoon Salt
• 1/4 to 1/3 cup Heavy cream or whole milk
• 1/2 cup Finely chopped toasted pecans, optional

Method

 

Step-by-Step

1. Heat the oven to 350°F. Grease and flour three 8- or 9-inch round cake pans, then line the bottoms with parchment if desired.
2. Spread the chopped pecans on a baking sheet and toast for 8–10 minutes, stirring once, until fragrant. Cool completely and reserve about 1/2 cup for decorating if desired.
3. Cream the softened butter, granulated sugar, and brown sugar for 3–4 minutes, until light and fluffy. Add the eggs one at a time, beating well after each addition, then mix in the vanilla.
4. Whisk together the flour, baking powder, baking soda, and salt. Add the dry mixture to the butter mixture in three additions, alternating with the buttermilk in two additions, mixing only until combined.
5. Fold in 1 cup of the cooled toasted pecans. Divide the batter evenly among the prepared pans.
6. Bake for 25–30 minutes, or until a toothpick inserted in the center comes out clean or with a few moist crumbs. Cool the cakes in their pans for 10 minutes, then turn them onto racks and cool completely.
7. Beat the butter for 2–3 minutes until smooth. Gradually add the sifted confectioners' sugar, then add the vanilla and salt.
8. Beat in the cream or milk 1 tablespoon at a time until the frosting is smooth and spreadable. Continue beating for 3–5 minutes to make it lighter.
9. Place one cake layer on a serving plate, spread with frosting, and sprinkle with chopped pecans. Repeat with the remaining layers, frost the top and sides, and garnish with the reserved pecans.

Notes

For clean layers, chill the completely cooled cake layers for 20–30 minutes before frosting and apply a thin crumb coat first. The cake is best after resting for several hours or overnight. Keep covered at room temperature for up to 2 days or refrigerate for up to 5 days; bring refrigerated cake to room temperature before serving.

Final Thoughts

This Best Butter Pecan Cake with Buttercream Frosting brings together everything a special-occasion dessert should have: tender layers, buttery toasted pecans, creamy frosting, and a beautiful presentation. The recipe is straightforward, but a few careful details—room-temperature ingredients, proper creaming, and a gentle hand with the flour—make the result especially soft and flavorful.

Make it a day ahead when possible, then allow it to come to room temperature before slicing. Once the pecan-studded layers are covered in vanilla buttercream, this cake is ready to become the centerpiece of any celebration.