Sugar-Free Peanut Butter Cake is one of those desserts that feels rich and indulgent but is actually simple and sugar-free. Thank you for being here and baking with me today. This cake is soft, moist, full of peanut butter flavor, and topped with a creamy peanut butter glaze that melts right into the cake. If you love peanut butter desserts, this one is truly special.
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Overview of Recipe Content
This sugar-free peanut butter cake is a low-carb style cake made mostly with peanut butter, eggs, and sweetener. Itโs soft, rich, slightly dense like a flourless cake, and topped with a creamy peanut butter glaze.
Why Youโll Love This Recipe
This cake is:
- Sugar free
- Gluten free
- High protein
- Easy one-bowl recipe
- Perfect for peanut butter lovers
- Great for dessert or snack
What It Tastes Like
It tastes like a peanut butter blondie meets a soft cake. Rich, nutty, slightly sweet, and incredibly moist with a creamy peanut butter topping.
Ingredients
Cake
- 1 cup (240 g) natural peanut butter
- 3/4 cup (150 g) monk fruit sweetener
- 3 large eggs
- 1 tsp vanilla extract
- 1/2 tsp baking soda
- Pinch of salt
Peanut Butter Glaze
- 1/4 cup peanut butter
- 2 tbsp powdered monk fruit sweetener
- 2โ3 tbsp milk or cream
Tools Needed
Substitutions and Additions
You can add sugar-free chocolate chips, chopped peanuts, or swirl in cream cheese before baking. Almond butter can also be used instead of peanut butter.
For more dessert recipes, try:
- https://poulef.com/peanut-butter-oat-cookies/
- https://poulef.com/almond-flour-cake/
- https://poulef.com/sugar-free-chocolate-cake/
- https://poulef.com/banana-oat-cake/
- https://poulef.com/no-bake-peanut-butter-bars/
And save more recipes on Pinterest: https://www.pinterest.com/poulefrecipe/
How to Make Sugar-Free Peanut Butter Cake
Step 1 โ Preheat Oven
Preheat oven to 180ยฐC (350ยฐF) and line a small baking pan with parchment paper.
Step 2 โ Mix Ingredients
In a bowl, mix peanut butter, monk fruit sweetener, eggs, vanilla, baking soda, and salt until smooth and thick.
Step 3 โ Pour Batter
Pour the batter into the prepared pan and spread evenly.
Step 4 โ Bake
Bake for 18โ22 minutes until the center is set but still soft.
Step 5 โ Make Peanut Butter Glaze
Mix peanut butter, powdered sweetener, and milk until smooth and creamy.
Step 6 โ Glaze the Cake
Spread the glaze over the slightly warm cake so it melts slightly into the top.
Step 7 โ Cool and Slice
Let the cake cool before slicing into squares.
What to Serve with Sugar-Free Peanut Butter Cake
This cake is perfect with:
- Coffee
- Milk
- Almond milk
- Whipped cream
- Greek yogurt
- Sugar-free chocolate drizzle
It also pairs well with berries to balance the richness.
Tips for Making It Perfect
Use natural peanut butter for best texture.
Do not overbake or the cake will become dry.
Let the cake cool before slicing.
Add chocolate chips for a peanut butter chocolate version.
Warm slightly before serving for extra softness.
Storage Instructions
Store in airtight container:
- Room temperature: 2 days
- Refrigerator: 5 days
- Freezer: 2 months
Reheat slices in microwave for 10โ15 seconds.
General Information
Flourless peanut butter cakes became popular in low-carb and gluten-free baking because peanut butter acts as both fat and structure in baking. Eggs help the cake rise, while sweetener adds sweetness without sugar.
These cakes are common in keto baking and protein desserts because they are high in healthy fats and protein.
Frequently Asked Questions
Can I use almond butter?
Yes, almond butter works great.
Is this cake keto?
Yes, if using monk fruit sweetener.
Can I make cupcakes?
Yes, bake in muffin tins for about 12โ15 minutes.
Why is my cake dense?
Itโs supposed to be slightly dense like a blondie cake.
Can I add chocolate chips?
Yes, highly recommended for peanut butter chocolate cake.
Conclusion
This sugar-free peanut butter cake is rich, soft, easy to make, and perfect for peanut butter lovers. The creamy peanut butter glaze makes it extra special and bakery-quality. If you love peanut butter desserts, you should also try peanut butter cookies or no-bake peanut butter bars next.
Interactive Elements
If you make this cake, leave a comment and a review!
Share your cake on Pinterest and tag: https://www.pinterest.com/poulefrecipe/
Nutritional Information
| Nutrient | Amount per slice |
|---|---|
| Calories | 220 |
| Carbohydrates | 6g |
| Protein | 8g |
| Fat | 18g |
| Sugar | 1g |
| Fiber | 2g |
| Sodium | 120mg |
Sugar-Free Peanut Butter Cake (Rich, Soft & Irresistibly Easy Recipe)
- Total Time: 30 minutes
- Yield: 9 slices 1x
Description
Soft and rich sugar-free peanut butter cake topped with creamy peanut butter glaze.
Ingredients
1 cup peanut butter
3/4 cup monk fruit sweetener
3 eggs
1 tsp vanilla
1/2 tsp baking soda
Pinch salt
Instructions
1. Preheat oven to 180ยฐC
2. Mix all cake ingredients
3. Pour into baking pan
4. Bake 18โ22 minutes
5. Mix glaze ingredients
6. Spread glaze on cake
7. Cool and slice
Notes
Do not overbake
Use natural peanut butter
Store in refrigerator
Can freeze slices
- Prep Time: 10 minutes
- Cook Time: 20 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 220
- Sugar: 1g
- Sodium: 120mg
- Fat: 18g
- Saturated Fat: 5g
- Unsaturated Fat: 11g
- Trans Fat: 0g
- Carbohydrates: 6g
- Fiber: 2g
- Protein: 8g
- Cholesterol: 55mg
Table of Contents

Gianna Poulef
Iโm Gianna Poulef from Poulef Recipes. I love sharing perfected dishes from my kitchen. Iโm sure theyโll earn a spot in your heart. Letโs savor this journey together!.
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