Keto Iced Peanut Butter Bars
Keto Iced Peanut Butter Bars are a delightful treat that perfectly balances rich flavors and a satisfying texture. These bars are not only soft and moist, but they also feature a creamy peanut butter frosting that takes them over the top. Whether you’re looking for a snack, a dessert to impress guests, or a sweet treat for your keto diet, these bars fit the bill. Plus, they come together quickly and easily, making them ideal for any occasion.
Why You’ll Love This Recipe
- Quick to Make: With just a few simple ingredients and minimal prep time, you can whip up these bars in under 30 minutes.
- Decadent Flavor: The combination of smooth peanut butter and rich frosting creates an indulgent taste that satisfies your sweet tooth without the guilt.
- Low Carb Delight: Perfect for those on a keto diet, these bars keep your carb intake low while still delivering on flavor.
- Versatile Serving Options: Enjoy them as a snack, dessert, or even breakfast on-the-go—these bars are versatile enough to fit any occasion.
- Easy Storage: These bars can be stored in the fridge or freezer, making them a convenient option to have on hand whenever cravings strike.

Tools and Preparation
To make Keto Iced Peanut Butter Bars successfully, you’ll need some essential tools and equipment to streamline your baking process.
Essential Tools and Equipment
- Mixing bowl
- Small saucepan
- Whisk or spatula
- Baking pan (9×9 inch)
- Measuring cups and spoons
Importance of Each Tool
- Mixing bowl: A large mixing bowl allows you to combine ingredients easily without spills.
- Small saucepan: Perfect for melting butter and peanut butter smoothly without burning.
- Baking pan: The right size ensures even baking of your delicious bars.
Ingredients
For the Bars
- ½ cup Butter
- ¾ cup Smooth Peanut Butter
- 1 cup Low Carb Granular Brown Sweetener
- ½ teaspoon Salt
- ½ tablespoon Vanilla Extract
- 2 large Eggs
- 1 cup fine-blanched Almond Flour
For the Icing
- ½ cup Low-Carb Confectioners Powdered Sweetener
- ¼ cup Smooth Peanut Butter
- 4 tablespoons Unsweetened Almond Milk
- ½ teaspoon Vanilla Extract
How to Make Keto Iced Peanut Butter Bars
Step 1: Preheat the Oven
Preheat your oven to 350℉ (180℃). Grease or line a 9×9 inch baking pan with parchment paper.
Step 2: Melt the Peanut Butter Mixture
In a small saucepan over medium heat:
1. Melt the butter and ¾ cup of smooth peanut butter until fully combined.
2. Remove from heat and set aside.
Step 3: Combine Dry Ingredients
In a large mixing bowl:
1. Add the low-carb brown sweetener and salt.
2. Mix thoroughly until there are no lumps.
Step 4: Add Wet Ingredients
Add the almond flour to the dry mixture:
1. Mix until combined.
2. Stir in ½ tablespoon of vanilla extract and two eggs.
3. Finally, add the melted peanut butter mixture and mix until smooth.
Step 5: Bake the Bars
Spread the batter evenly into the prepared pan:
1. Bake in the preheated oven for about 20 to 25 minutes.
Step 6: Prepare the Icing
While the bars are baking:
1. In a small saucepan over medium-low heat, melt ¼ cup of peanut butter.
2. Stir in almond milk and vanilla extract until smooth.
3. Remove from heat, add powdered sweetener, and mix until you reach a slightly thin consistency.
Step 7: Ice the Bars
Once baked:
1. Allow bars to cool slightly until warm but not hot.
2. Pour icing over warm bars and spread evenly.
Step 8: Slice and Serve
Let icing firm up for a few minutes:
1. Slice into 12 equal bars.
2. Serve immediately or store as needed.
These Keto Iced Peanut Butter Bars are sure to be a hit among friends and family alike! Enjoy every bite guilt-free!
How to Serve Keto Iced Peanut Butter Bars
Keto Iced Peanut Butter Bars are versatile and can be enjoyed in many delightful ways. Whether you’re serving them at a gathering or enjoying them as a snack, these bars can fit various occasions.
With a Glass of Almond Milk
- Pairing these bars with a chilled glass of almond milk enhances the peanut flavor and provides a creamy contrast to the bars.
Topped with Whipped Cream
- Adding a dollop of sugar-free whipped cream gives a light, airy touch to the rich flavors of the bars.
As Part of a Dessert Platter
- Slice the bars into smaller pieces and include them on a dessert platter alongside other keto treats for an inviting spread that guests will love.
With Fresh Berries
- Serve the bars with fresh raspberries or strawberries for a burst of freshness that balances out the sweetness.
Crumbled Over Greek Yogurt
- Crumble some bars over unsweetened Greek yogurt for a deliciously unique dessert or snack that adds texture and flavor.
How to Perfect Keto Iced Peanut Butter Bars
To ensure your Keto Iced Peanut Butter Bars turn out perfectly every time, consider these helpful tips.
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Use Room Temperature Ingredients: Make sure your eggs and peanut butter are at room temperature for better mixing and texture.
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Measure Ingredients Accurately: Use precise measurements for sweeteners and flour to avoid altering the texture or taste.
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Don’t Overmix: Mix just until combined to prevent dense bars. Overmixing can lead to tough results.
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Allow Cooling Time: Let the bars cool slightly before icing. This helps the frosting set better without melting excessively.
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Store Properly: Keep leftover bars in an airtight container in the refrigerator to maintain freshness for up to a week.
Best Side Dishes for Keto Iced Peanut Butter Bars
Keto Iced Peanut Butter Bars can be complemented by various side dishes that align with your low-carb lifestyle. Here are some great options:
- Nutty Trail Mix: A blend of nuts and seeds provides crunch and healthy fats, making it an ideal companion.
- Cheese Platter: Include slices of aged cheddar or creamy brie for a savory contrast that pairs well with sweet bars.
- Avocado Salad: A refreshing avocado salad dressed with lime adds vibrancy to your meal while keeping it keto-friendly.
- Celery Sticks with Cream Cheese: Crunchy celery filled with cream cheese offers a satisfying bite alongside your sweet treat.
- Cauliflower Rice: Lightly seasoned cauliflower rice can serve as an excellent low-carb side dish that fills you up without added carbs.
- Zucchini Chips: Homemade or store-bought zucchini chips add crunch and fiber, balancing out the sweetness of the bars.
Common Mistakes to Avoid
Making Keto Iced Peanut Butter Bars can be a breeze, but there are common mistakes that can affect the outcome. Here are some pitfalls to watch out for:
- Skipping the Preheat: Not preheating your oven can lead to uneven baking. Always preheat to ensure your bars bake evenly and rise properly.
- Using the Wrong Sweetener: Using a sweetener that isn’t low-carb may throw off the texture and taste. Stick with low-carb granular sweeteners designed for baking.
- Overmixing the Batter: Overmixing can make your bars dense instead of fluffy. Mix just until combined for the best texture.
- Not Measuring Ingredients Accurately: Improper measurements can ruin your recipe. Use measuring cups and spoons for accuracy, especially with almond flour and sweeteners.
- Icing While Bars Are Hot: Pouring icing on bars that are too hot can cause it to melt away. Allow them to cool slightly before icing for a beautiful finish.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container.
- They will stay fresh for about 5 days.
Freezing Keto Iced Peanut Butter Bars
- Wrap each bar individually in plastic wrap or foil.
- Freeze for up to 3 months for best quality.
Reheating Keto Iced Peanut Butter Bars
- Oven: Preheat to 350°F (180°C). Heat bars for about 10 minutes until warm.
- Microwave: Heat one bar at a time on medium power for about 20-30 seconds or until warm.
- Stovetop: Place bars in a skillet over low heat, cover, and warm gently.
Frequently Asked Questions
Here are some common questions about making Keto Iced Peanut Butter Bars.
Can I use crunchy peanut butter instead of smooth?
You can use crunchy peanut butter if you prefer some texture, but it will change the overall consistency of the bars.
How do I make these bars dairy-free?
To make them dairy-free, substitute butter with coconut oil or any plant-based butter alternative.
What if I don’t have almond flour?
You can replace almond flour with coconut flour, but use only a quarter of the amount since coconut flour absorbs more moisture.
Can I customize the frosting?
Yes! Feel free to add cocoa powder for chocolate icing or experiment with different flavored extracts.
Final Thoughts
Keto Iced Peanut Butter Bars are not just delicious; they offer versatility in flavors and textures. You can easily customize these treats by adding nuts, chocolate chips, or even different frostings. Give this recipe a try and enjoy a comforting snack that fits perfectly into your keto lifestyle!
Keto Iced Peanut Butter Bars
Keto Iced Peanut Butter Bars are a deliciously indulgent treat that perfectly marries rich peanut butter flavors with a creamy icing. These bars are not only low-carb and keto-friendly, but they also deliver on taste without the guilt. Ideal for satisfying sweet cravings, they can be enjoyed as a snack, dessert, or breakfast on-the-go. With a simple preparation process that takes less than 30 minutes, you can whip up these delightful bars for any occasion. Plus, their easy storage makes them a convenient option to have on hand whenever those cravings strike.
- Prep Time: 10 minutes
- Cook Time: 25 minutes
- Total Time: 35 minutes
- Yield: 12 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
- ½ cup Butter
- ¾ cup Smooth Peanut Butter
- 1 cup Low Carb Granular Brown Sweetener
- ½ teaspoon Salt
- ½ tablespoon Vanilla Extract
- 2 large Eggs
- 1 cup fine-blanched Almond Flour
Instructions
- Preheat your oven to 350°F (180°C) and grease or line a 9×9 inch baking pan.
- In a small saucepan over medium heat, melt the butter and peanut butter together until combined. Remove from heat.
- In a mixing bowl, combine the low-carb brown sweetener and salt, then add almond flour and mix well.
- Stir in vanilla extract and eggs, followed by the melted peanut butter mixture until smooth.
- Spread the batter into the prepared baking pan and bake for 20-25 minutes.
- For icing, melt additional peanut butter with almond milk and vanilla in a saucepan, then whisk in powdered sweetener until slightly thin.
- Allow baked bars to cool slightly before pouring icing over top; let set before slicing into bars.
Nutrition
- Serving Size: 1 bar (60g)
- Calories: 200
- Sugar: 2g
- Sodium: 180mg
- Fat: 18g
- Saturated Fat: 5g
- Unsaturated Fat: 13g
- Trans Fat: 0g
- Carbohydrates: 6g
- Fiber: 3g
- Protein: 6g
- Cholesterol: 50mg