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There’s something special about a dessert bar that melts in your mouth with every bite. These Peanut Butter Butterscotch Bars are the perfect blend of rich, nutty flavor and sweet, buttery goodness. Made in a single pan, this easy dessert recipe delivers bakery-quality results without the hassle.
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With smooth peanut butter, warm butterscotch chips, and a chewy cookie-like texture, these bars are an irresistible treat for any occasion—whether it’s a bake sale, potluck, or a cozy family night. If you love the combination of sweet and salty flavors, this recipe will quickly become one of your favorites.
Why You’ll Love This Recipe
If you’re a peanut butter lover, this recipe is your dream come true. Here’s what makes it so special:
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- Easy to make: Simple ingredients and quick prep—no mixer required.
- Chewy and soft: Perfectly baked bars with golden edges and a moist center.
- Irresistible flavor: The mix of peanut butter and butterscotch creates a warm, caramel-like richness.
- Great for any occasion: From lunchbox treats to holiday cookie trays, these bars fit right in.
- Kid-approved: Sweet, fun, and loved by both kids and adults alike.
Ingredients Breakdown
Each ingredient plays a role in making these dessert bars perfectly balanced in texture and flavor.
- Unsalted butter: Adds moisture and buttery richness. Melted butter makes the bars soft and chewy.
- Creamy peanut butter: Provides a nutty base and smooth texture. Avoid natural peanut butter for best results.
- Brown sugar: Gives the bars a deep, caramelized sweetness and chewy bite.
- Granulated sugar: Balances the brown sugar and helps with structure.
- Eggs: Add richness and help bind the ingredients together.
- Vanilla extract: Enhances the flavors with a hint of warmth.
- All-purpose flour: Provides structure while keeping the bars soft.
- Baking soda: Ensures the perfect rise and light texture.
- Butterscotch chips: The star ingredient that melts into pockets of buttery sweetness throughout every bite.

Tips and Tricks for Perfect Results
Want to make sure your Peanut Butter Butterscotch Bars turn out perfectly every time? Here are a few helpful tips:
- Don’t overmix the batter: Mix until just combined to avoid tough bars.
- Cool completely before cutting: This allows the bars to set and prevents them from crumbling.
- Line the pan with parchment paper: Makes removing and slicing the bars effortless.
- Use quality peanut butter: Brands like Jif or Skippy work best for consistency and flavor.
- Add extra chips on top: Sprinkle more butterscotch chips before baking for a bakery-style look.
Variations and Customizations
This recipe is incredibly flexible, so you can make it your own with a few creative twists:
- Add chocolate chips: Mix in semi-sweet or milk chocolate chips for a peanut butter cup-inspired treat.
- Swirl with caramel: Drizzle caramel sauce over the batter before baking for added richness.
- Add crunch: Stir in chopped peanuts or pretzels for extra texture.
- Peanut butter swirl: Add a few dollops of peanut butter on top and swirl it with a knife before baking.
- Make them gluten-free: Substitute all-purpose flour with a 1:1 gluten-free baking blend.
Pairing Suggestions
These chewy peanut butter butterscotch bars pair beautifully with:
- A glass of cold milk: The classic combination that never fails.
- Hot coffee or cappuccino: Perfect for balancing the sweetness.
- Vanilla ice cream: Adds a creamy, cool contrast.
- Warm cocoa: Especially comforting during the holidays.
Storage Instructions
Keep your dessert bars fresh and flavorful with these easy storage tips:
- Room temperature: Store in an airtight container for up to 4 days.
- Refrigerator: For longer freshness, refrigerate for up to 7 days.
- Freezer: Wrap individual bars in plastic wrap and freeze for up to 2 months. Thaw at room temperature before serving.
Tip: To refresh the bars, warm them in the microwave for 10–15 seconds to bring back their soft, gooey texture.
Popular Questions
Can I use chunky peanut butter instead of creamy?
Yes, chunky peanut butter adds a bit of crunch and texture, but make sure to stir well before using.
What’s the best way to tell when the bars are done?
The edges should be golden brown and a toothpick inserted into the center should come out mostly clean with just a few crumbs.
Can I use a smaller baking pan?
Yes, but you’ll need to adjust the baking time. For an 8×8-inch pan, bake about 5–8 minutes longer.
Can I substitute the butterscotch chips?
Absolutely. You can use white chocolate chips, peanut butter chips, or even caramel bits for a different twist.

Peanut Butter Butterscotch Bars
Ingredients
Method
- Preheat oven to 350°F (175°C). Line a 9×13-inch baking pan with parchment paper or grease lightly with butter.
- In a microwave-safe bowl, melt the butter and let it cool slightly.
- In a large bowl, combine melted butter, peanut butter, brown sugar, and granulated sugar. Stir until smooth.
- Beat in eggs one at a time, then add vanilla extract and mix until creamy.
- In a separate bowl, whisk together flour and baking soda. Gradually add to the wet mixture until just combined.
- Gently stir in butterscotch chips, ensuring even distribution.
- Spread the batter evenly into the prepared pan and smooth the top. Bake for 25–30 minutes, or until edges are golden and a toothpick inserted in the center comes out clean.
- Allow bars to cool completely on a wire rack before lifting them from the pan and cutting into squares.
Notes
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