Easy Peanut Butter Cup Dessert is a no-bake layered bar that delivers the exact flavor of a Reese's cup in a 9×13 pan. The thesis is simple: a buttery graham-and-peanut crust, a whipped peanut butter cheesecake layer, and a snap of chocolate ganache on top. Nothing bakes, so the only heat involved is melting chocolate, and the whole build takes 15 minutes of active work.
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The mechanics matter more than the ingredients here. Peanut butter is roughly 50 percent fat by weight, which means it will seize into a greasy puddle if you beat cold cream cheese into it. Both the cream cheese and the peanut butter need to sit at room temperature for at least 30 minutes before mixing. Skip that and you will see streaks no amount of whipping fixes.
I tested this at three peanut butter ratios and landed on 1 1/2 cups (384g) of creamy peanut butter for a 9×13 pan. That gives a layer firm enough to cut clean squares at 4 hours of chilling but soft enough to stay creamy straight from the fridge. Below are the exact quantities, temperatures, and cues I use.
Why You'll Love This Recipe
About the Ingredients
2 cups (200g) graham cracker crumbs, about 14 full sheets
Pulse whole sheets in a food processor for the freshest crumb. Substitute an equal weight of digestive biscuits or crushed Nilla wafers if grahams are unavailable.
1/2 cup (113g) unsalted butter, melted and cooled 5 minutes
Melt in 20-second microwave bursts so it does not spatter. Salted butter works; cut the added salt in the filling to 1/4 teaspoon.
1/4 cup (50g) granulated sugar
Sweetens the crust and helps it bind. Light brown sugar adds a molasses note and works at the same 1/4 cup measure.
1 1/2 cups (384g) creamy peanut butter, room temperature
Use a no-stir commercial brand like Jif or Skippy; natural peanut butter separates and makes a greasy filling. Skippy Natural with palm oil is the closest safe swap.
8 oz (226g) full-fat cream cheese, room temperature
Full-fat only; reduced-fat cream cheese never sets firm enough to slice. Leave it on the counter 30 minutes before mixing.
1 cup (120g) powdered sugar, sifted
Sifting removes lumps that otherwise streak the filling. If you only have granulated, blitz it 30 seconds in a blender first.
1 1/2 cups (255g) semisweet chocolate chips
Chips are formulated to hold shape, so they set a firmer top layer than chopped bars. Swap in dark chocolate chips for a less sweet finish.
3/4 cup (180ml) heavy cream, plus 1 tablespoon if needed
Heavy cream at 36 percent fat is required for a glossy ganache. Half-and-half will not set and whole milk will separate.
1/2 teaspoon fine sea salt
Balances the sugar in both layers. Use 1/4 teaspoon if your peanut butter is salted.
1 teaspoon vanilla extract
Adds warmth to the filling. Bourbon vanilla or a scrape of vanilla bean paste both work.
Tips & Tricks
Room temperature or nothing
Cold cream cheese and cold peanut butter will not emulsify, leaving a grainy, greasy filling that never firms up. Set both out 30 minutes before you start.
Press the crust hard
Use the flat bottom of a measuring cup to press the graham mixture until it holds a fingerprint. A loosely packed crust crumbles the moment you cut it.
Chill before topping
Pour the chocolate layer only after the peanut butter layer has set 30 minutes in the fridge, or the two layers swirl together.
Cut with a hot knife
Run your chef's knife under hot water, wipe it dry, and slice. Repeat between every cut for squares with clean walls.
Pro Tips
Step-by-Step Instructions
1. Make the crust
Pulse 14 graham sheets to 2 cups of crumbs, then stir in 1/2 cup melted butter, 1/4 cup sugar, and 1/4 teaspoon salt until the mixture looks like wet sand. Press it firmly into a parchment-lined 9×13 pan and chill 15 minutes while you make the filling.
2. Beat the cream cheese
Beat 8 oz room-temperature cream cheese with 1 cup sifted powdered sugar and 1 teaspoon vanilla on medium speed for 2 full minutes, until no lumps remain. Scrape the bowl once halfway through.
3. Add the peanut butter
Beat in 1 1/2 cups room-temperature peanut butter and the remaining 1/4 teaspoon salt on low speed just until smooth, about 45 seconds. Overbeating whips in air and makes the layer spongy.
4. Spread and set the filling
Scrape the peanut butter mixture over the chilled crust and smooth it with an offset spatula. Refrigerate 30 minutes, until the surface is matte and a fingertip leaves a faint dent.
5. Melt the chocolate
Heat 3/4 cup heavy cream in a saucepan over medium-low until it steams and small bubbles ring the edge, about 165F to 180F (74C to 82C), roughly 3 minutes. Do not let it boil. Pour it over 1 1/2 cups chocolate chips in a bowl and rest 2 minutes without stirring.
6. Whisk the ganache
Whisk the cream and chocolate from the center outward until glossy and uniform, about 1 minute. If it looks broken or grainy, whisk in 1 tablespoon warm heavy cream to bring it back.
7. Top and chill
Pour the ganache over the set peanut butter layer and tilt the pan to spread it evenly. Refrigerate uncovered 3 hours, or 4 hours total, until the chocolate is firm and does not smudge when touched.
8. Cut and serve
Lift the slab out by the parchment overhang and cut into 2-inch squares with a hot, dry knife. Wipe and reheat the blade between cuts for clean edges.
Delicious Variations
Chocolate Cookie Crust
Swap the graham crumbs for 2 cups (200g) crushed Oreos and omit the 1/4 cup sugar, since the cookies are already sweet.
Peanut Butter Cup Pieces
Fold 1 cup chopped mini peanut butter cups into the filling before spreading for visible candy chunks in every square.
Salted Caramel Swirl
Drizzle 1/3 cup room-temperature caramel over the filling and drag a skewer through it before chilling for a marbled top layer.
How to Store Easy Peanut Butter Cup Dessert
Refrigerator
Store cut squares in an airtight container in the refrigerator for up to 5 days; place parchment between layers so they do not stick.
Freezer
Freeze whole or cut squares wrapped tightly in plastic and foil for up to 2 months; thaw in the refrigerator overnight before serving.
Reheating
Do not reheat; these bars are served cold. If the ganache softens at room temperature, return them to the refrigerator for 30 minutes to re-firm.
Frequently Asked Questions
Q: Can I make this peanut butter cup dessert ahead of time?
Yes, you can make it up to 3 days ahead and keep it covered in the refrigerator. The crust softens slightly after day 3, so add the chocolate topping the day you plan to serve it for the best texture.
Q: Why is my peanut butter layer greasy?
Greasy filling almost always means cold cream cheese or natural peanut butter was used. Both need to be at room temperature for 30 minutes, and a no-stir brand like Jif or Skippy holds the emulsion far better than a separated natural jar.
Q: How long does this dessert need to chill?
Plan on 4 hours total: 30 minutes for the peanut butter layer to set before the chocolate goes on, then 3 to 3.5 hours for the ganache to firm. Overnight chilling gives the cleanest cuts.
Q: Can I use milk chocolate instead of semisweet?
Yes, milk chocolate works and gives a sweeter, softer topping. Because milk chocolate sets softer, add 1 extra ounce of chips and chill the finished bars an additional hour before slicing.
Q: How do I cut these bars without cracking the chocolate?
Use a knife dipped in hot water and wiped dry, and press straight down rather than sawing. Let the bars sit out 5 minutes first so the chocolate is cold but not rock-hard, which is when it shatters.
Build this once with a scale and room-temperature dairy and you will never guess at a no-bake bar again. Print the card, weigh your peanut butter, and keep your money moving.
Easy Peanut Butter Cup Dessert
Easy Peanut Butter Cup Dessert layers creamy peanut butter filling over a crunchy graham crust with a glossy chocolate top. No oven, ready in 50 minutes.
🧂 Ingredients
- 2 cups (200g) graham cracker crumbs, about 14 full sheets
- 1/2 cup (113g) unsalted butter, melted and cooled 5 minutes
- 1/4 cup (50g) granulated sugar
- 1 1/2 cups (384g) creamy peanut butter, room temperature
- 8 oz (226g) full-fat cream cheese, room temperature
- 1 cup (120g) powdered sugar, sifted
- 1 1/2 cups (255g) semisweet chocolate chips
- 3/4 cup (180ml) heavy cream, plus 1 tablespoon if needed
- 1/2 teaspoon fine sea salt
- 1 teaspoon vanilla extract
📋 Instructions
- 1Make the crust — Pulse 14 graham sheets to 2 cups of crumbs, then stir in 1/2 cup melted butter, 1/4 cup sugar, and 1/4 teaspoon salt until the mixture looks like wet sand. Press it firmly into a parchment-lined 9×13 pan and chill 15 minutes while you make the filling.
- 2Beat the cream cheese — Beat 8 oz room-temperature cream cheese with 1 cup sifted powdered sugar and 1 teaspoon vanilla on medium speed for 2 full minutes, until no lumps remain. Scrape the bowl once halfway through.
- 3Add the peanut butter — Beat in 1 1/2 cups room-temperature peanut butter and the remaining 1/4 teaspoon salt on low speed just until smooth, about 45 seconds. Overbeating whips in air and makes the layer spongy.
- 4Spread and set the filling — Scrape the peanut butter mixture over the chilled crust and smooth it with an offset spatula. Refrigerate 30 minutes, until the surface is matte and a fingertip leaves a faint dent.
- 5Melt the chocolate — Heat 3/4 cup heavy cream in a saucepan over medium-low until it steams and small bubbles ring the edge, about 165F to 180F (74C to 82C), roughly 3 minutes. Do not let it boil. Pour it over 1 1/2 cups chocolate chips in a bowl and rest 2 minutes without stirring.
- 6Whisk the ganache — Whisk the cream and chocolate from the center outward until glossy and uniform, about 1 minute. If it looks broken or grainy, whisk in 1 tablespoon warm heavy cream to bring it back.
- 7Top and chill — Pour the ganache over the set peanut butter layer and tilt the pan to spread it evenly. Refrigerate uncovered 3 hours, or 4 hours total, until the chocolate is firm and does not smudge when touched.
- 8Cut and serve — Lift the slab out by the parchment overhang and cut into 2-inch squares with a hot, dry knife. Wipe and reheat the blade between cuts for clean edges.
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