For an even richer flavor, use dark cocoa powder. Ensure the baking soda is fresh for the best rise. The cake is best served warm or at room temperature. Feel free to add a pinch of salt to the icing to enhance the peanut butter flavor. Store leftover cake in an airtight container at room temperature for up to 3 days.
Mayo Cake with Peanut Butter Icing
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PREP TIME15 mins
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COOK TIME25 mins
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TOTAL TIME40 mins
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SERVING16 People
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VIEWS18
A surprisingly moist and tender cake crowned with an irresistible peanut butter icing. This heirloom recipe is a delightful twist on a classic, perfect for any celebration or simply to brighten your day.
Ingridients
Adjust Servings
Nutrition
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Carbohydrate43 g
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Cholesterol8 mg
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Fiber2 g
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Protein7 g
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Saturated Fat4 g
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Sodium329 mg
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Sugar28 g
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Fat21 g
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Unsaturated Fat0 g
Follow The Directions
01
StepPreheat oven to 350 degrees F (175 degrees C). Grease and flour a 9-inch baking pan. (5 minutes)
02
StepIn a large bowl, whisk together the flour, 1 cup of sugar, mayonnaise, water, cocoa powder, and baking soda until smooth and well combined. (5 minutes)
03
StepPour the batter into the prepared pan and bake for 20-25 minutes, or until a toothpick inserted into the center comes out clean. (25 minutes)
04
StepWhile the cake is baking, prepare the icing. In a saucepan, combine the remaining 1 cup of sugar, evaporated milk, and margarine. Bring to a boil over medium heat, stirring constantly. (7 minutes)
05
StepOnce boiling, cook for 2 minutes, stirring continuously to prevent burning. (2 minutes)
06
StepRemove the saucepan from the heat and immediately add the miniature marshmallows. Stir until the marshmallows are completely melted and the mixture is smooth. (3 minutes)
07
StepStir in the peanut butter and vanilla extract until the icing is smooth and glossy. (2 minutes)
08
StepPour the warm icing over the warm cake, spreading evenly. Let the icing set slightly before serving. (10 minutes)
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Lacey Ryan
Jun 7, 2025I added a little bit of espresso powder to the batter and it gave it a wonderful depth of flavor.
Branson Powlowski
Jun 4, 2025The icing is amazing! I could eat it with a spoon.
Hannah Doyle
May 26, 2025This recipe is a keeper! My family loved it, and it was so easy to make.
Geo Hickle
May 5, 2025I was skeptical about the mayonnaise, but this cake is incredibly moist and delicious! The icing is the perfect complement.
Moises Von
Apr 28, 2025This cake is surprisingly good! The texture is perfect, and the peanut butter icing is divine.