Peanut Butter Cup Cheesecake Brownies
These brownies are one of my go-to crowd-pleasers: fudgy chocolate, a tangy cheesecake layer, salty peanuts, and melty mini Reese’s on top. They look like you spent all afternoon, but they’re surprisingly straightforward thanks to a boxed brownie base and a quick no-fuss cheesecake filling. I make them when friends are coming over or when I need an impressive dessert that still feels cozy.
There’s a rhythm to building these bars—brownie, cheesecake, brownie, nuts, then warm peanut butter cups—so work steadily and don’t rush the layering. The result is a slice that gives you nearly every texture: dense fudge, creamy cheesecake, crunchy peanuts, and sticky chocolate-peanut butter on top.
Below you’ll find the exact ingredients and step-by-step directions I follow, plus practical tips for baking, storing, and troubleshooting. If you want to swap something or adapt the texture, there are options later on that keep the core idea intact without derailing the recipe.
Gather These Ingredients
Ingredients
- 6 ounces brick-style cream cheese, softened (I used lite) — provides the cheesecake layer; soften to room temperature so it blends smoothly.
- 1 large egg — binds and sets the cheesecake filling.
- ½ cup creamy peanut butter — adds peanut flavor and richness to the filling; creamy spreads evenly.
- ⅓ cup granulated sugar — sweetens the cheesecake layer; use granulated, not powdered.
- 1 box, 1 pound 2.4 ounces Betty Crocker™ Original Supreme Premium Brownie Mix — the brownie base; follow the box for water, oil, and egg measurements.
- Water, vegetable oil, and egg called for on brownie mix box — used to prepare the boxed brownie batter per package directions.
- ⅓ cup salted peanuts, coarsely chopped — adds crunch and salt contrast; coarse chop so you still get texture.
- 1 heaping cup Reese’s™ Peanut Butter Cups Miniatures — halved and warmed on top to melt slightly and adhere; classic finishing touch.
Peanut Butter Cup Cheesecake Brownies: From Prep to Plate
- Preheat oven to 350°F. Spray a 9-inch square pan with cooking spray; set aside.
- In a medium bowl, combine 6 ounces softened brick-style cream cheese, 1 large egg, ½ cup creamy peanut butter, and ⅓ cup granulated sugar. Beat with an electric handheld mixer on medium-low until smooth, scraping down the sides as needed; set filling aside.
- In a large bowl, prepare the Betty Crocker™ Original Supreme Premium Brownie Mix according to the package directions, using the water, vegetable oil, and egg called for on the box. Mix until combined.
- Spread half of the prepared brownie batter evenly into the bottom of the prepared 9-inch pan.
- Drop the cream cheese filling over the brownie layer in rounded tablespoons, spaced evenly across the pan.
- Using a spatula, carefully spread the filling into an even, smooth layer, trying not to mix it into the brownie layer beneath.
- Spoon the remaining brownie batter over the filling and spread it into an even, smooth layer to cover the filling.
- Evenly sprinkle ⅓ cup coarsely chopped salted peanuts over the top.
- Bake for about 40 to 45 minutes, or until a toothpick inserted in the center comes out mostly clean or with a few moist crumbs (not wet batter).
- Remove pan from oven and place on a wire rack. Cool in the pan on the rack for about 1 hour.
- After about 1 hour, when the brownies are still warm, halve 1 heaping cup Reese’s™ Peanut Butter Cups Miniatures and evenly sprinkle/press them onto the top so they melt slightly and adhere.
- Allow to cool until firm enough to slice. Slice and serve. Store leftover brownies airtight in the refrigerator for up to 5 days.
What Sets This Recipe Apart
This is essentially a mash-up: premium boxed brownie batter paired with a silky peanut butter cheesecake. The cheesecake is brick-style cream cheese based, which gives a dense, stable layer that doesn’t dissolve into the brownie. The key moments are the careful layering and the final addition of halved peanut butter cups while the bars are still warm—this makes the candies meld just enough to stick without losing their shape.
Using the boxed brownie mix keeps the chocolate layer reliably fudgy and consistent, which is perfect when you want a guaranteed texture without fuss. Salted peanuts add contrast; those little salty pops lift the sweetness and create balance.
Flavor-Forward Alternatives
- Swap peanut butter for almond butter: Keeps the texture but shifts to a nuttier, milder profile—use creamy almond butter in the same amount.
- Dark chocolate lovers: Choose a brownie mix labeled extra dark or add 2 tablespoons of cocoa powder to the mix for a deeper bite without changing bake time drastically.
- Swap Reese’s Miniatures: Use chopped chocolate-covered caramel bites or regular chocolate chips if peanut candies aren’t on hand—note the flavor will shift.
- Crunch tweak: Replace salted peanuts with toasted pecans or walnuts for a different texture and flavor note.
Equipment & Tools
- 9-inch square baking pan (metal or glass)
- Non-stick cooking spray
- Medium mixing bowl for the filling
- Large mixing bowl for the boxed batter
- Electric handheld mixer (recommended) or a sturdy whisk
- Spatula for spreading layers
- Wire cooling rack
- Sharp knife for slicing once cooled
Slip-Ups to Skip
Here are the mistakes I see most often and how to avoid them:
- Putting the cheesecake on a hot brownie layer: If the first brownie layer is warm, the filling can sink or swirl into it. Spread batter into the pan quickly and add filling immediately—don’t pre-bake the bottom layer.
- Overmixing the cheesecake: Beat until smooth but stop; overbeating can add air, which creates holes or cracks as it bakes.
- Skipping the cooling step before adding the candy: If the brownies are too hot, the peanut butter cups will fully melt; you want them to soften and adhere, not vanish.
- Undercooking or overcooking: Aim for a toothpick with a few moist crumbs. Too wet = underbaked; dry and crumbly = overbaked.
- Cutting too early: If you slice while still very warm, the layers can squish or smear. Let them firm up enough to hold shape.
In-Season Flavor Ideas
The base recipe is great year-round, but small seasonal tweaks keep it feeling fresh:
- Fall: Fold 1/2 teaspoon cinnamon into the cheesecake filling and swap salted peanuts for candied pecans.
- Winter holidays: Top with a few chopped peppermint pieces for a holiday crunch and a little brightness.
- Spring: Use roasted, salted pistachios instead of peanuts for a floral, green twist that looks beautiful sliced.
- Summer: Toss a handful of fresh raspberries on top after the candy has set for a tart contrast (add just before serving).
Behind-the-Scenes Notes
I started making this when I was short on time but wanted to bring something indulgent to a potluck. The boxed mix is not a shortcut; it’s a practical base that saves time so you can focus on the cheesecake layer and final details. I prefer the brick-style cream cheese for structure; it holds its own between two brownie layers without turning runny.
One tiny habit I have: I always press the halved peanut butter cups gently into the warm top so they adhere and form that glossy, slightly melted finish. It’s the detail friends comment on first—so simple, so effective.
Cooling, Storing & Rewarming
Cool the pan on a wire rack for about an hour as the instructions say. That one-hour rest lets the layers set so that the candies will soften but not completely lose shape when pressed on. After adding the halved peanut butter cups, allow the bars to cool until firm enough to slice—this can take additional time depending on kitchen temperature.
- Storing: Store leftovers airtight in the refrigerator for up to 5 days. The cheesecake layer benefits from refrigeration and keeps the bars from becoming too soft.
- Freezing: You can freeze slices wrapped tightly in plastic and foil for up to 2 months. Thaw overnight in the fridge before serving.
- Rewarming: These are best served at room temperature or slightly chilled. If you prefer them warm, microwave a single piece for 7–10 seconds—just enough to soften, not melt the cheesecake.
Common Qs About Peanut Butter Cup Cheesecake Brownies
Q: Can I make these in a different pan size?
A: The recipe is written for a 9-inch square pan. Using a different size will change thickness and bake time. If you use an 8-inch square, expect thicker bars and add 5–10 minutes. For a 9×13, bake time will be shorter—check at 25–30 minutes.
Q: My cheesecake layer sank into the brownie—what happened?
A: Most likely the brownie layer underneath was still hot or the filling was too soft. Make sure you assemble as instructed—brownie batter in the pan, then drop the filling and spread gently. Work quickly but smoothly so layers stay distinct.
Q: Can I make the cheesecake layer ahead?
A: You can prepare the filling and refrigerate it up to 24 hours; let it come back to room temperature and re-whip briefly before using. I don’t recommend assembling the full pan far in advance because the top candies stick best when added warm.
Q: Do I have to use boxed mix?
A: No—but the recipe assumes the box mix texture and volume. If you use a homemade brownie batter, aim for a similarly fudgy batter and follow the same layering technique. Bake times may change.
Bring It to the Table
When serving, use a sharp, warmed knife for cleaner slices: run the knife under hot water, dry, and slice; repeat between cuts. These bars pair wonderfully with strong coffee or a glass of cold milk. If you want to dress them up, dust with a tiny sprinkle of flaky sea salt or a drizzle of melted chocolate right before serving.
Make them for a casual gathering or a special dessert platter—the layers make a statement, and the flavor combination rarely disappoints. Keep the extras chilled and enjoy the way each slice delivers creamy, crunchy, and chocolatey bites all at once.
Peanut Butter Cup Cheesecake Brownies
Ingredients
Ingredients
- 6 ouncesbrick-style cream cheese softened (I used lite)
- 1 large egg
- 1/2 cupcreamy peanut butter
- 1/3 cupgraunlated sugar
- 1 box 1 pound 2.4 ouncesBetty Crocker™ Original Supreme Premium Brownie Mix
- Water vegetable oil, and egg called for on brownie mix box
- 1/3 cupsalted peanuts coarsely chopped
- 1 heaping cup Reese’s™ Peanut Butter Cups Miniatures
Instructions
Instructions
- Preheat oven to 350°F. Spray a 9-inch square pan with cooking spray; set aside.
- In a medium bowl, combine 6 ounces softened brick-style cream cheese, 1 large egg, ½ cup creamy peanut butter, and ⅓ cup granulated sugar. Beat with an electric handheld mixer on medium-low until smooth, scraping down the sides as needed; set filling aside.
- In a large bowl, prepare the Betty Crocker™ Original Supreme Premium Brownie Mix according to the package directions, using the water, vegetable oil, and egg called for on the box. Mix until combined.
- Spread half of the prepared brownie batter evenly into the bottom of the prepared 9-inch pan.
- Drop the cream cheese filling over the brownie layer in rounded tablespoons, spaced evenly across the pan.
- Using a spatula, carefully spread the filling into an even, smooth layer, trying not to mix it into the brownie layer beneath.
- Spoon the remaining brownie batter over the filling and spread it into an even, smooth layer to cover the filling.
- Evenly sprinkle ⅓ cup coarsely chopped salted peanuts over the top.
- Bake for about 40 to 45 minutes, or until a toothpick inserted in the center comes out mostly clean or with a few moist crumbs (not wet batter).
- Remove pan from oven and place on a wire rack. Cool in the pan on the rack for about 1 hour.
- After about 1 hour, when the brownies are still warm, halve 1 heaping cup Reese’s™ Peanut Butter Cups Miniatures and evenly sprinkle/press them onto the top so they melt slightly and adhere.
- Allow to cool until firm enough to slice. Slice and serve. Store leftover brownies airtight in the refrigerator for up to 5 days.
Equipment
- 9-inch square pan
- Cooking Spray
- electric handheld mixer
- Spatula
- Wire Rack
