If you have a soft spot for nostalgic childhood treats but want something with a sophisticated twist, this Peanut Butter and Jelly Blondies Recipe is just the thing to brighten your day. Imagine chewy blondies packed with buttery goodness, generously swirled with luscious peanut butter and your favorite jelly, creating that perfect balance of sweet and salty in every bite. It’s a dessert that takes the classic peanut butter and jelly sandwich to a whole new level, making it irresistibly fun and absolutely crave-worthy.
Ingredients You’ll Need
These simple yet thoughtfully chosen ingredients come together beautifully, each bringing its own magic to this Peanut Butter and Jelly Blondies Recipe. From the creamy peanut butter to the sweet swirls of jelly, every component plays a crucial role in crafting the perfect texture and flavor.
- All-purpose flour (2 cups): This forms the tender base that gives blondies their classic chewiness.
- Baking powder (1 teaspoon): Helps the blondies rise just enough for a light texture without being cakey.
- Salt (½ teaspoon): Balances the sweetness and enhances all other flavors.
- Unsalted butter (¾ cup, melted): Adds richness and moisture, making these blondies oh so tender.
- Brown sugar (1 cup, firmly packed): Provides deep, caramel notes and keeps the blondies soft.
- White sugar (½ cup): Adds a touch of brightness and helps with crisp edges.
- Vanilla bean paste (2 teaspoons): Infuses a warm, aromatic flavor that elevates every bite.
- Eggs (2, well beaten): Bind everything together while contributing to the chewy texture.
- Peanut butter (¾ cup): The star ingredient that brings creaminess and that signature nutty taste.
- Jelly (¾ cup): Adds a fruity sweetness and colorful swirl, perfect with peanut butter; grape or strawberry work beautifully.
How to Make Peanut Butter and Jelly Blondies Recipe
Step 1: Prep and Mix the Dry Ingredients
Start by preheating your oven to 350°F and lightly coating a 9×13-inch baking dish with nonstick spray or butter to prevent sticking. In a medium bowl, whisk together the all-purpose flour, baking powder, and salt. This dry mix sets the foundation for the blondie’s lovely texture and helps everything rise evenly.
Step 2: Combine the Wet Ingredients
In a larger bowl, whisk the melted butter with both brown and white sugars until they meld into a smooth, glossy mixture. Then, stir in the vanilla bean paste for that irresistible fragrance. Slowly add the beaten eggs, mixing well to create a silky batter that promises moist, tender blondies.
Step 3: Bring It All Together
Add your flour mixture to the wet ingredients, gently folding with a spoon just until combined. Be careful not to overmix here—just enough to create a consistent batter. Spread this batter evenly into your prepared pan, creating a flat surface ready for the star swirls.
Step 4: Swirl in the Peanut Butter and Jelly
Warm the peanut butter and jelly separately for about 10 to 20 seconds in the microwave until they become smooth and easy to spoon but not runny. Spoon generous dollops of peanut butter and jelly alternately across the blondie batter. Grab a butter knife or skewer and swirl them together with gentle, swirling motions for a beautiful marbled effect that will make your heart sing.
Step 5: Bake and Cool
Bake your masterpiece for 35 to 40 minutes, or until the center is just set and a toothpick inserted comes out mostly clean with a few moist crumbs. Patience is key—let your blondies cool completely in the pan. This waiting makes sure each slice holds together perfectly and reveals those gorgeous swirls of peanut butter and jelly.
How to Serve Peanut Butter and Jelly Blondies Recipe
Garnishes
These blondies look stunning with a simple dusting of powdered sugar for a delicate sweetness or a few crushed peanuts sprinkled on top for an added crunch that complements the creamy peanut butter pools. Fresh berries on the side can echo the jelly flavors and add a pop of color.
Side Dishes
Keep it classic with a tall glass of cold milk or a lightly brewed cup of coffee to balance the richness. For something playful, serve alongside a scoop of vanilla ice cream or even a light fruit salad for a refreshing contrast.
Creative Ways to Present
Cut the blondies into bite-sized squares and serve them on a dessert platter for parties or gatherings—they’re perfect finger food. Try layering small squares between two graham crackers and a smear of additional jelly for a decadent, sandwich-inspired treat that will wow your guests.
Make Ahead and Storage
Storing Leftovers
Place your cooled Peanut Butter and Jelly Blondies in an airtight container at room temperature, and they will stay fresh for up to four days. This makes them ideal for prepping in advance or enjoying as a quick snack throughout the week without losing any of their charm.
Freezing
If you want to keep these blondies around even longer, wrap them tightly in plastic wrap and then foil, placing them in the freezer for up to three months. When you’re ready for a treat, simply thaw them overnight in the fridge or on your countertop.
Reheating
For a warm, gooey experience, gently reheat individual pieces in the microwave for 10 to 15 seconds. This brings the peanut butter and jelly swirls back to their soft, luscious glory and makes every bite feel freshly baked all over again.
FAQs
Can I use crunchy peanut butter instead of creamy?
Absolutely! Crunchy peanut butter will add a delightful texture contrast that makes the blondies even more interesting, so feel free to make it your own.
What other types of jelly can I use?
While grape and strawberry are classics, any jelly or jam you love — like raspberry, apricot, or even fig — can add a unique twist to your blondies.
Can this recipe be made gluten-free?
Yes, you can substitute the all-purpose flour with a gluten-free baking blend, just make sure it’s one that includes xanthan gum for the best texture results.
Why do I need to warm the peanut butter and jelly?
Warming softens both, making them easier to dollop and swirl so they spread into beautiful ribbons without sinking too much into the batter.
How do I know when the blondies are done baking?
Look for a set center that’s no longer wet but still moist; a toothpick inserted should come out with a few moist crumbs but not raw batter. This ensures chewy, tender blondies.
Final Thoughts
Once you give this Peanut Butter and Jelly Blondies Recipe a try, it’s hard not to fall in love with its nostalgic yet elevated flavors. Simple ingredients come together in a way that feels special and endlessly satisfying. Whether you’re baking for family, friends, or yourself, these blondies are a sweet reminder that some classics deserve a little remix. So go ahead, grab your favorite jelly, and whip up a batch to enjoy every chewy, swirly bite!
Print
Peanut Butter and Jelly Blondies Recipe
- Prep Time: 10 minutes
- Cook Time: 40 minutes
- Total Time: 50 minutes
- Yield: 16 servings
- Category: Dessert
- Method: Baking
- Cuisine: American
Description
Delight in these Peanut Butter and Jelly Blondies, a nostalgic twist on classic flavors baked into a rich, chewy blondie bar. Combining creamy peanut butter with sweet jelly swirled atop a buttery brown sugar base, these blondies offer a perfect balance of decadence and comfort, perfect for snacks, dessert, or sharing with friends.
Ingredients
Dry Ingredients
- 2 cups all-purpose flour
- 1 teaspoon baking powder
- ½ teaspoon salt
Wet Ingredients
- ¾ cup unsalted butter (1 ½ sticks), melted
- 1 cup firmly packed brown sugar
- ½ cup white sugar
- 2 teaspoons vanilla bean paste
- 2 eggs, well beaten
Flavorings
- ¾ cup peanut butter
- ¾ cup jelly (grape or strawberry preferred)
Instructions
- Preheat and Prepare Pan: Preheat your oven to 350°F (175°C) and lightly coat a 9×13-inch baking dish with nonstick cooking spray to prevent sticking.
- Mix Dry Ingredients: In a medium bowl, whisk together the all-purpose flour, baking powder, and salt until well combined. Set aside for later use.
- Combine Butter and Sugars: In a large bowl, whisk the melted unsalted butter, brown sugar, and white sugar until fully blended and smooth. Stir in the vanilla bean paste.
- Add Eggs: Add the well-beaten eggs to the butter and sugar mixture and whisk them in thoroughly until the batter is smooth and consistent.
- Incorporate Dry Mixture: Gradually add the flour mixture into the wet ingredients, stirring with a spoon until just combined to form the blondie batter.
- Spread Batter: Evenly spread the blondie batter into the prepared baking pan, smoothing the surface for an even bake.
- Warm Peanut Butter and Jelly: In two separate bowls, warm the peanut butter and jelly in the microwave for 10 to 20 seconds until they become smooth and spoonable. Stir the jelly to maintain its ideal consistency, taking care not to overheat until liquid.
- Add Swirls: Drop alternating tablespoons of peanut butter and jelly across the top of the blondie batter. Use a butter knife or a skewer to swirl them gently into the batter for a marbled effect.
- Bake: Place the baking dish into the preheated oven and bake for 35 to 40 minutes or until the center is set and a toothpick inserted comes out mostly clean with a few moist crumbs.
- Cool and Serve: Allow the blondies to cool completely in the pan before slicing into 16 squares and serving for best texture and flavor.
Notes
- Use room temperature eggs for better incorporation into the batter.
- Adjust the type of jelly based on your flavor preference, but grape and strawberry complement peanut butter exceptionally well.
- Be careful not to overheat the peanut butter and jelly to maintain their thickness for proper swirling.
- Cooling completely is crucial for clean slicing and to allow the blondies to set properly.
- Store leftovers in an airtight container at room temperature for up to 3 days or refrigerate for up to a week.