If you’re on the hunt for a dessert that feels like a warm hug with every bite, the Peanut Butter Cup Gooey Cookie Bars Recipe is exactly what you need. These bars perfectly combine the rich creaminess of peanut butter with melty chocolate and pockets of gooey sweetness that make each bite utterly irresistible. Whether you’re cooking for a crowd or craving a personal treat, this recipe delivers a homemade charm that’s both simple to make and decadently delicious, making it a must-have in your baking repertoire.

Ingredients You’ll Need
Getting the ingredients right is essential for nailing the perfect balance of flavor and texture in these cookie bars. Each ingredient plays its part, from creating a tender, chewy base to adding bursts of peanut butter goodness and luscious chocolatey layers.
- ½ cup unsalted butter (softened): Adds richness and helps create that tender crumb you’ll love.
- ½ cup creamy peanut butter: The star ingredient that infuses every bite with that deep, nutty flavor.
- 1 cup brown sugar (packed): Brings moisture and a hint of caramel sweetness for that gooey texture.
- ¼ cup granulated sugar: Balances out the sweetness and helps with a slight crisp edge.
- 2 large eggs: Bind everything together while adding a bit of lift and structure.
- 1 teaspoon vanilla extract: Enhances the flavors and adds a lovely aroma.
- 1 ½ cups all-purpose flour: Forms the sturdy base of your cookie bars.
- ½ teaspoon baking powder: Gives just enough rise to keep the bars light and soft.
- ¼ teaspoon salt: Intensifies the sweetness and balances the flavors perfectly.
- 1 cup mini peanut butter cups (halved): Mini bursts of chocolate and peanut butter that melt gently when baked.
- ½ cup semi-sweet chocolate chips: For that classic chocolate touch that pairs magically with peanut butter.
- ½ cup sweetened condensed milk: Pours over the layers to add luscious gooeyness without overpowering.
How to Make Peanut Butter Cup Gooey Cookie Bars Recipe
Step 1: Prepare Your Baking Setup
Start by preheating your oven to 350°F (175°C). Line an 8×8-inch baking pan with parchment paper, allowing a slight overhang on the sides; this step is essential for removing the bars easily without any sticking or crumbling.
Step 2: Cream the Butters and Sugars
In a large mixing bowl, cream together the softened butter, creamy peanut butter, brown sugar, and granulated sugar until you have a light and fluffy mixture. This process is key because it incorporates air and melts the sugars slightly, giving the bars a tender bite. Then, beat in the eggs and vanilla extract until everything feels smooth and beautifully combined.
Step 3: Mix the Dry Ingredients
In a separate bowl, whisk the flour, baking powder, and salt. Gradually fold these dry ingredients into the wet mixture, being careful not to overmix. Mixing just until everything comes together will keep your bars tender instead of tough.
Step 4: Layer the Dough and Filling
Spread about two-thirds of the cookie dough evenly into your prepared pan. Next, sprinkle the halved mini peanut butter cups and semi-sweet chocolate chips across this layer, creating pockets of joy throughout. Drizzle the sweetened condensed milk evenly on top. Finally, drop spoonfuls of the remaining cookie dough over the filling and spread it gently to partially cover the top, leaving some filling visible to keep the gooey magic alive.
Step 5: Bake to Gooey Perfection
Bake for 28 to 32 minutes, or until the edges are golden brown and the center is just set but still soft. For that ultra-gooey texture, it’s perfectly fine to take them out a little earlier. Once baked, let the bars cool completely in the pan before slicing — patience here rewards you with clean slices and the perfect chewy texture!
How to Serve Peanut Butter Cup Gooey Cookie Bars Recipe

Garnishes
Make your bars even more inviting by sprinkling a little flaky sea salt on top just before serving. This subtle touch enhances the peanut butter and chocolate flavors beautifully. You could also add a light drizzle of melted peanut butter or chocolate to elevate their look and taste further.
Side Dishes
These bars pair wonderfully with a scoop of vanilla ice cream or a dollop of whipped cream for extra indulgence. For a refreshing twist, serve alongside fresh berries or a simple fruit salad — the fruity acidity cuts through the richness perfectly.
Creative Ways to Present
Bring your Peanut Butter Cup Gooey Cookie Bars Recipe to your next gathering by arranging them on a pretty platter with edible flowers or chopped nuts sprinkled around. You could also pop them into decorative cupcake liners or layer them between parchment sheets for a homemade cookie bar “sandwich” treat. Trust me, presentation adds that extra sparkle.
Make Ahead and Storage
Storing Leftovers
Once completely cooled, store your leftover cookie bars in an airtight container at room temperature for up to 4 days. They maintain their gooey texture wonderfully and taste even better after the flavors have had a little time to meld.
Freezing
If you want to save these delightful bars for longer periods, wrap them tightly in plastic wrap and place in a freezer-safe container or zip-top bag. They freeze well for up to 3 months. When you’re ready to enjoy, thaw overnight in the refrigerator to preserve their luscious gooeyness.
Reheating
To revive that fresh-baked warmth, heat individual bars in the microwave for about 15-20 seconds. This softens the chocolate and peanut butter, bringing back the irresistible gooey texture as if they just came out of the oven.
FAQs
Can I use crunchy peanut butter instead of creamy?
Absolutely! Using crunchy peanut butter will add a delightful textural contrast with little peanut bits throughout, making the bars even more interesting to bite into.
Do I have to use mini peanut butter cups?
Not necessarily. If mini ones aren’t available, you can chop regular peanut butter cups into bite-sized pieces. Just keep in mind that the distribution might be a bit different.
Is it okay to substitute butter with margarine or oil?
Butter contributes to the flavor and texture, so while you can substitute margarine, the flavor may be less rich. Oil is not recommended here since it will change the dough consistency and final texture.
How can I make these bars more chocolatey?
For an extra chocolate kick, add a handful more chocolate chips or drizzle melted chocolate over the top once cooled. You might also swap semi-sweet chocolate chips for dark chocolate chips if you prefer a deeper flavor.
Can these cookie bars be made gluten-free?
Yes! Swap out the all-purpose flour for a gluten-free baking blend that measures as a 1:1 substitute to keep the texture just right while catering to gluten-free diets.
Final Thoughts
Once you try this Peanut Butter Cup Gooey Cookie Bars Recipe, you’ll understand why it’s become a beloved favorite. It’s a harmonious blend of peanut butter richness, chocolate indulgence, and that magical gooey texture that keeps you reaching for just one more bar. So, grab your ingredients, rally your baking enthusiasm, and treat yourself to a batch that’s as comforting as it is delicious. Your taste buds will thank you!
Print
Peanut Butter Cup Gooey Cookie Bars Recipe
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 16 bars
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Description
Peanut Butter Cup Gooey Cookie Bars are a delightful dessert combining rich peanut butter cookie dough with mini peanut butter cups, chocolate chips, and sweetened condensed milk for a luscious, gooey treat. These bars offer a perfect balance of chewy texture and creamy chocolate-peanut butter flavor, ideal for satisfying your sweet tooth with an easy-to-make recipe.
Ingredients
Cookie Dough
- ½ cup unsalted butter (softened)
- ½ cup creamy peanut butter
- 1 cup brown sugar (packed)
- ¼ cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1 ½ cups all-purpose flour
- ½ teaspoon baking powder
- ¼ teaspoon salt
Filling & Topping
- 1 cup mini peanut butter cups (halved)
- ½ cup semi-sweet chocolate chips
- ½ cup sweetened condensed milk
Instructions
- Preheat and Prepare Pan: Preheat your oven to 350°F (175°C). Line an 8×8-inch baking pan with parchment paper, allowing some overhang on the sides for easy bar removal later.
- Cream Butter, Peanut Butter, and Sugars: In a large mixing bowl, beat the softened butter, creamy peanut butter, brown sugar, and granulated sugar together until the mixture becomes light and fluffy. This will ensure a tender cookie base.
- Add Eggs and Vanilla: Beat in the eggs one at a time along with the vanilla extract until the mixture is smooth and fully combined.
- Combine Dry Ingredients: In a separate bowl, whisk together the all-purpose flour, baking powder, and salt to evenly distribute the leavening agents and seasoning.
- Mix Dry into Wet Ingredients: Gradually add the dry flour mixture to the wet peanut butter mixture, stirring just until everything is combined; avoid overmixing to keep the bars tender.
- Layer Dough and Fillings: Spread about two-thirds of the cookie dough evenly in the prepared baking pan. Sprinkle the halved mini peanut butter cups and semi-sweet chocolate chips evenly over the dough layer. Drizzle the sweetened condensed milk evenly across the toppings.
- Add Remaining Dough: Drop spoonfuls of the remaining cookie dough over the filling and gently spread it out partially covering the peanut butter cups and chocolate chips, creating a marbled effect.
- Bake: Place the pan in the preheated oven and bake for 28 to 32 minutes, or until the bars are golden brown on top and the center is just set but still gooey.
- Cool and Serve: Remove from the oven and allow the bars to cool completely in the pan before using the parchment overhang to lift them out and slicing into 16 bars.
Notes
- For extra gooey bars, slightly underbake them and let cool completely before cutting.
- Store the bars in an airtight container at room temperature for up to 4 days.
- You can freeze the bars for up to 3 months for longer storage.
- Ensure the dough is evenly spread to avoid overly thick or thin spots in baking.

