Maple Walnut Cake Recipe

I just made Maple Walnut Cake so dangerously good I’m hiding the leftovers and you should keep scrolling before I eat the whole thing.

I’m obsessed with my Maple Walnut Cake because it tastes honest and a little wild. I love the way pure maple syrup shows up in every bite, not just as sweetness but as its own flavor.

And the toasted walnuts give a crunchy, slightly bitter push that keeps you from glazing over. I find myself thinking about Maple Walnut Cake Recipes at weird hours, planning excuses to slice another piece.

It’s loud, nutty, and actually makes coffee better. But mostly I just want another forkful.

Simple craving. No guilt.

Just that slice calling my name. Right now, please, seriously.

Forever.

Ingredients

• Flour: the cake’s backbone, gives structure so it holds all the gooey stuff.
• Baking powder: lifts the cake, so it’s light not dense.
• Baking soda: helps browning and a bit of tenderness.
• Salt: balances sweetness, makes maple actually taste like something.
• Cake butter: richness and silkiness, makes crumbs feel indulgent.
• Brown sugar: gives warm caramel notes and moistness.
• Granulated sugar: sweetness and a clean lift.
• Maple syrup: real maple warmth, sticky and kind of cozy.
• Eggs: bind everything and give some structure and richness.
• Buttermilk or yogurt: keeps it tender and adds slight tang.
• Vanilla: little floral background that’s just comforting.
• Maple extract: Basically extra maple power if you want it.
• Toasted chopped walnuts: crunch and a nutty, toasty contrast.
• Walnuts for topping: Plus, they make it look homemade and rustic.
• Butter for buttercream: gives that creamy, spreadable base.
• Powdered sugar: sweetness and texture for smooth frosting.
• Maple syrup for buttercream: more maple flavor, keeps frosting nicely flavored.
• Heavy cream or milk: thins frosting so it spreads without tearing.
• Pinch of salt: ties the sweet frosting together, stops it from cloying.

Ingredient Quantities

• 2 1/2 cups all purpose flour
• 2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon fine salt
• 1 cup (2 sticks) unsalted butter, softened
• 1 cup packed light brown sugar
• 1/2 cup granulated sugar
• 3/4 cup pure maple syrup, plus extra if you like it more maple-y
• 3 large eggs, room temperature
• 1/2 cup buttermilk or plain yogurt
• 1 teaspoon vanilla extract
• 1/2 teaspoon maple extract, optional but nice
• 1 to 1 1/4 cups chopped walnuts, toasted
• 1/4 cup walnuts reserved for topping, chopped
• For the maple buttercream: 1/2 cup (1 stick) unsalted butter, softened
• For the maple buttercream: 3 cups powdered sugar, sifted
• For the maple buttercream: 1/4 cup pure maple syrup
• For the maple buttercream: 2 to 3 tablespoons heavy cream or milk to thin
• For the maple buttercream: pinch of salt

How to Make this

1. Preheat oven to 350°F. Butter and flour two 8 or 9 inch round cake pans, or line a 9×13 pan with parchment. Spread 1 to 1 1/4 cups chopped walnuts on a baking sheet and toast in the oven 6 to 8 minutes until fragrant, watch them cause they burn fast. Reserve 1/4 cup chopped walnuts for the top.

2. Whisk together 2 1/2 cups all purpose flour, 2 teaspoons baking powder, 1/2 teaspoon baking soda, and 1/2 teaspoon fine salt in a bowl. Set aside.

3. In a large bowl, cream 1 cup (2 sticks) softened unsalted butter with 1 cup packed light brown sugar and 1/2 cup granulated sugar until light and a bit fluffy, about 3 to 4 minutes. Scrape the bowl so nothing’s left stuck to the sides.

4. Add 3/4 cup pure maple syrup to the creamed butter and sugars and mix until combined. Beat in 3 large eggs one at a time, mixing well after each so the batter does not break.

5. Stir in 1 teaspoon vanilla extract and 1/2 teaspoon maple extract if using. Then add the dry ingredients in three additions, alternating with 1/2 cup buttermilk or plain yogurt added twice, beginning and ending with the dry mix. Mix just until combined, do not overmix.

6. Fold in the toasted chopped walnuts (except the 1/4 cup reserved), scrape the batter into prepared pans or into the 9×13 pan, smoothing the top. If you want more maple flavor, drizzle a tablespoon or two of extra maple syrup over the batter before baking.

7. Bake in the middle of the oven 25 to 35 minutes for 8/9 inch rounds, or 30 to 40 minutes for a 9×13, until a toothpick comes out with a few moist crumbs. Let cakes cool in pans 10 minutes, then invert onto a rack to cool completely.

8. For the maple buttercream: beat 1/2 cup (1 stick) softened unsalted butter until creamy. Gradually add 3 cups sifted powdered sugar, then 1/4 cup pure maple syrup and a pinch of salt. Add 2 to 3 tablespoons heavy cream or milk to reach spreading consistency. Taste and adjust maple or salt if needed.

9. When cake is completely cool, spread a thin layer of buttercream between layers and over the top and sides. Press the reserved 1/4 cup chopped walnuts onto the top and lightly around the sides if you like extra texture.

10. Chill briefly so the frosting sets, then serve. Store leftovers covered in the fridge up to 4 days, bring to room temp before eating and drizzle more maple syrup on each slice if you want it more maple-y.

Equipment Needed

1. Oven (preheated to 350°F)
2. 2 mixing bowls (one for dry, one for wet)
3. Electric mixer or hand mixer (or strong whisk if you’re brave)
4. Measuring cups and spoons
5. Rubber spatula and a sturdy wooden spoon
6. Baking pans (two 8 or 9 inch round pans, or one 9×13 pan)
7. Baking sheet (for toasting walnuts) and parchment paper or cooking spray
8. Cooling rack
9. Offset spatula or butter knife for spreading the buttercream
10. Small bowl and whisk or fork (for the buttercream and folding in nuts)

FAQ

Maple Walnut Cake Recipe Substitutions and Variations

• All purpose flour → use cake flour (same amount) for a lighter, more tender crumb, or swap up to half with whole wheat pastry flour for nuttier flavor but expect a denser cake.
• Unsalted butter (cake or buttercream) → substitute equal amount of coconut oil solidified, or stick margarine. Coconut oil gives a slight coconut note and a bit softer texture, margarine works fine but may taste less rich.
• Pure maple syrup → use honey or light amber corn syrup (same volume) if you don’t have maple. Honey is sweeter and adds floral notes, so you might cut a tablespoon of sugar; corn syrup keeps moisture but loses maple flavor.
• Eggs → for vegan or egg-free, use flax “eggs”: mix 1 tablespoon ground flax + 3 tablespoons water per egg, let sit 5 min. Binds well, but cake will be slightly denser and less airy.

Pro Tips

– Let the eggs and buttermilk warm up to room temp. Cold eggs make the butter seize and you get a dense cake, not a light one. If you forget, pop eggs in warm water for 5 minutes.

– Toast the walnuts but watch them like a hawk, they go from perfect to bitter in a minute. Toss them on the sheet halfway through to brown evenly, and cool them fully before folding in so they don’t make the batter greasy.

– Don’t overmix once you add the flour. Mix until you barely don’t see streaks, otherwise the cake gets tough. When folding in nuts, use a rubber spatula and do it gently.

– For a true maple hit and a smoother buttercream, warm the maple syrup slightly before adding to the frosting and taste as you go. If your buttercream is too soft, chill it 10 minutes and re-whip; if too stiff, add one teaspoon of cream at a time until it spreads.