Peanut Butter Marble Bundt Cake

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Peanut Butter Marble Bundt Cake

I don’t think a day goes by that I don’t eat a little peanut butter. It is a serious weakness of mine. Thankfully, there are plenty of great ways to work it into a healthy, low carb diet. This peanut butter marble bundt cake was so moist and delicious, and my kids loved eating it as a breakfast treat. It’s great with a cup of coffee!


2 1/2 cups almond flour

1/3 cup coconut flour

1/3 cup whey protein powder

1 tbsp baking powder

1/2 tsp salt

3/4 cup peanut butter

1/2 cup butter, softened

Granulated sweetener equivalent to 3/4 cup sugar

3 large eggs

1 tsp vanilla extract

1 cup unsweetened almond milk, divided

1/3 cup cocoa powder


Preheat oven to 325F and grease a 9-inch bundt pan well.

In a large bowl, whisk together the almond flour, coconut flour, whey protein, baking powder, and salt.

In another large bowl, beat peanut butter and butter together until smooth. Beat in sweetener, eggs, and vanilla extract.

Beat in half of the almond flour mixture and then 3/4 cup of the almond milk. Beat in remaining almond flour mixture until well combined.

Scoop out approximately half the batter to a separate bowl. Stir in cocoa powder and remaining almond milk into one half until well combined (if your chocolate batter is really thick, add additional almond milk, 1 tbsp at a time, until it is spreadable).

Dot alternating large spoonfuls of peanut butter batter and chocolate batter into prepared bundt pan. Swirl with a knife and then smooth the top.

Bake 45 to 50 minutes, until set and edges are golden brown. Remove and let cool 15 minutes, then flip out onto a serving plate to cool completely.

Serves: 16
Nutrition Info: Food energy: 263kcal
Total fat: 21.52g
Calories from fat: 193
Cholesterol: 51mg
Carbohydrate: 9.39g
Total dietary fiber: 4.04g
Protein: 9.84g
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Comments (2)

  1. Joan at

    Peanut Butter Marble Bundt Cake
    I am not sure if I did something wrong or if the basic recipe is just so dry and crumbly. Did I bake too long? 50 minutes or mix too much?

  2. Louise Nugent at

    Is the nutrition info for the entire cake? or per slice?

    Many thanks!

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