It’s the very best mix of candy and salty… a simple peanut butter cake recipe with a creamy peanut butter frosting on high for a style of true decadence!
Even higher? It’s really easy to make – and it requires no frosting expertise in any respect! Make it in a sheet pan for the simplest indulgence.
This peanut butter sheet cake is a must have for true peanut butter lovers!

If loving peanut butter is improper, I don’t need to be proper. As you already know, my love for peanut butter goes deep. In reality, I’ve bought an entire information to the very best Peanut Butter Desserts, and this cake is actually one in all them.
Everyone knows that peanut butter can typically create a dry, crumbly mess in terms of baking. However this cake? No manner! It’s mild, moist and scrumptious, and ideal when served with a tall glass of milk.
This peanut butter cake is really the final. I don’t say that frivolously, buddies… and I promise I’d by no means steer you improper. Placing a contemporary spin on old style favorites is what I really like about baking!
Even individuals who assume they don’t love peanut butter (aspect notice: what’s improper with them?) will love this straightforward peanut butter sheet cake. Let’s get began!

Why You’ll Love this Peanut Butter Cake
- Easy Elements
- Straightforward to Make
- Delicate + Candy
- Great Heat or Chilly
This straightforward peanut butter cake is made primarily of staple components, which makes it straightforward to whip up any time or day! Is {that a} good factor or a nasty factor? That’s so that you can determine.
I pair this cake with a light-weight and fluffy peanut butter frosting. The candy and salty taste is amplified by the addition of the frosting, however the peanut butter taste is just not overpowering.

Elements and Substitutions
- Flour – All goal flour, no must sift.
- Baking Soda – So the cake rises to perfection.
- Salt – This pantry staple brings out all the flavors of the opposite components.
- White Sugar – Sugar provides the proper contact of sweetness.
- Vanilla – I take advantage of vanilla extract in nearly all the things and it provides only a contact of taste that makes this cake out of this world good!
- Butter – Unsalted. This provides to the tender crumb and moist texture. It may be chilly since you’re going to soften it down anyway.
- Peanut Butter – Full fats, prime quality peanut butter. Simply use no matter peanut butter you retain available, or study the right way to make peanut butter right here.
- Water – Water is critical on this recipe as a result of it provides moisture to fight any dryness from the peanut butter.
- Eggs – The eggs act as a binder, creating extra moisture and the proper spongy texture.
Variations
- This cake is topped with decadent peanut butter frosting. If you happen to desire buttercream, yow will discover my favourite buttercream frosting recipe proper right here!
- Use crunchy peanut butter within the frosting for added texture. It’ll nonetheless be creamy, however you’ll hit the candy spot for crunchy peanut butter followers.
- Add toppings! Attempt chocolate chips, chopped up peanut butter cups, a drizzle of chocolate syrup, nuts, and even contemporary sliced bananas.
Peanut Butter Frosting Elements
- Powdered Sugar- It is a must-have ingredient on your frosting due to the extremely advantageous texture. No different sugar will do!
- Butter- Salted or unsalted, it’s your selection! I at all times use salted- and once more, you’re going to soften it down so don’t fear about temperature on this recipe!
- Peanut Butter- I used creamy, full fats peanut butter as a result of I desire a creamy frosting.
- Milk- Due to the thick nature of the peanut butter itself, the milk helps add just a little creamy moisture content material again into this frosting.
Learn how to Make
- Preheat oven to 400 levels Fahrenheit. Put together pan.
- First, combine dry components (sugar, baking soda, flour and salt) in a big bowl. Put aside.
- Subsequent, mix peanut butter, water and butter in a sauce pan in your cooktop. Carry to a boil.
- Steadily add milk, vanilla and eggs.
- Combine your melted peanut butter combination into your dry components in your mixing bowl and pour right into a ready jelly roll pan.
Bake till toothpick inserted within the middle comes out clear.
- Because the cake cools, make peanut butter frosting. Mix butter, milk and peanut butter and convey to a boil in a saucepan.
- Take away from warmth, and step by step add your powdered sugar.
- Enable heat cake to chill fully, then frost and serve!

Ideas
- For the fluffiest cake, don’t over combine your batter.
- Don’t Overfill Your Cake Pan – Fill 2/3 full to compensate for rise.
- Use the Toothpick Take a look at – Insert a toothpick within the middle. When it comes out clear, it’s finished.
- Sure, you can also make this easy quaint cake in two spherical pans for a layer cake! I haven’t examined the timing, so watch rigorously whereas they’re within the oven, and don’t fill your layers greater than 2/3 full to forestall overflow.
Scaling up, down or substituting? You’ll love this printable Measurement Conversion Chart!

Regularly Requested Questions
Each recipe is exclusive, however there are two straightforward issues it’s essential to not do if you need a moist cake – don’t overmix, and don’t overbake!
Peanut butter is nice for baking because it’s full of nutty taste, and candy and salty stability. It’s additionally bought loads of oil! Simply don’t substitute pure peanut butter, as your recipes received’t prove the identical.

Learn how to Retailer
- Room Temperature – Retailer in an hermetic container or coated for as much as three days.
- Fridge – Retailer this cake refrigerated for as much as one week.
- Freeze – Cake will be saved as much as six months in an hermetic container with out icing. Carry to room temperature to get pleasure from.
Dietary Issues
- To make this cake Gluten Free, use a 1:1 gluten free flour for baking.
- Vegetarian

You’ve bought to do this peanut butter cake recipe! Don’t let these dry, crumbly peanut butter truffles of the previous maintain you from this unimaginable dessert decadence!
What’s your loved ones’s favourite approach to get pleasure from peanut butter desserts? I’d love to listen to from you! If you happen to make this straightforward peanut butter sheet cake, please come again and share a overview with me.
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Did you make this? Price the recipe and tag me on social @julieblanner!

Peanut Butter Cake with Creamy Peanut Butter Icing
It is the very best mix of candy and salty… a simple peanut butter cake recipe with a creamy peanut butter frosting on high for a style of true decadence! This peanut butter sheet cake is the simplest indulgence for true peanut butter lovers!
Forestall your display from going darkish
Directions
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Preheat oven to 400°F.
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In a big bowl or mixer, mix sugar, flour, baking soda and salt. Put aside.
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In a saucepan over medium warmth, mix butter, water and peanut butter. (Do not let it get chunky, stir/cut back warmth if wanted). Carry to a boil and take away from warmth.
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Pour combination over flour combination. Add milk, vanilla, eggs and blend till mixed.
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Pour into a big cookie sheet or jelly roll pan. Bake quarter-hour. Enable to chill fully earlier than frosting.
Peanut Butter Icing
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As soon as cake has cooled, add powdered sugar to a big mixing bowl or mixer. Put aside.
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In a medium saucepan over medium warmth add butter, peanut butter and milk. Carry to a boil.
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Pour combination over powdered sugar and beat till clean. Pour onto cake and rapidly clean. *Can skinny with milk if wanted.
Ideas
- Don’t Overfill Your Cake Pan – Fill 2/3 full to compensate for rise.
- Use the Toothpick Take a look at – Insert a toothpick within the middle. When it comes out clear, it’s finished.
- Sure, you can also make this easy quaint cake in two spherical pans for a layer cake! I haven’t examined the timing, so watch rigorously whereas they’re within the oven, and don’t fill your layers greater than 2/3 full to forestall overflow.
Vitamin Info
Energy: 388kcal (19%), Carbohydrates: 48g (16%), Protein: 6g (12%), Fats: 20g (31%), Saturated Fats: 9g (45%), Ldl cholesterol: 45mg (15%), Sodium: 335mg (14%), Potassium: 134mg (4%), Fiber: 1g (4%), Sugar: 38g (42%), Vitamin A: 388IU (8%), Calcium: 24mg (2%), Iron: 1mg (6%)
Estimated diet info is offered as a courtesy and isn’t assured.