Walnut Cake with Peanut Butter Frosting
A moist, nutty walnut cake topped with a rich, creamy peanut butter frosting and finished with crunchy walnut pieces. Perfect for a cozy dessert or celebration.
- Total time
- 45 min
- Servings
- 8
- Calories
- 480
- Protein
- 9g

Ingredients
- 1.5 cups walnuts
- 1.5 cups all-purpose flour
- 2 teaspoons baking powder
- ½ cup butter
- 1 cup sugar
- 2 large eggs
- ½ cup milk
- ½ cup peanut butter
Instructions
- 1
Preheat oven to 350°F. Grease a 9-inch round cake pan and line the bottom with parchment paper.
- 2
Chop 1 cup of the walnuts finely; set aside. Toast the remaining 1/2 cup walnuts in a dry skillet over medium heat until fragrant, about 3 minutes, then chop coarsely for topping.
- 3
In a bowl, whisk together the 1.5 cups flour, 2 tsp baking powder, and the finely chopped walnuts.
- 4
In a large bowl, cream the 1/2 cup butter and 1 cup sugar until light and fluffy, about 3 minutes. Beat in the 2 eggs one at a time.
- 5
Alternately add the flour mixture and 1/2 cup milk to the butter mixture, starting and ending with flour, until just combined. Pour batter into the prepared pan.
- 6
Bake until a toothpick inserted in the center comes out clean, about 30-35 minutes. Cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.
- 7
For the frosting, beat the 1/2 cup peanut butter with 2 tbsp softened butter and 1 cup powdered sugar (add extra if needed) until smooth. Spread over the cooled cake and sprinkle with the toasted walnuts.
Tools you’ll need
- 9-inch round cake pan
- mixing bowls
- electric mixer
- whisk
- spatula
- wire rack
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