No Bake Peanut Butter Bars

These ultra-creamy, perfectly balanced no bake peanut butter bars are packed with rich chocolate and a satisfyingly salty-sweet graham cracker base.

Why This Recipe Works:

• Conventional peanut butter provides stabilizers that prevent the fat from separating.
• Graham cracker crumbs absorb moisture and create a sturdy, sliceable structure.
• A splash of oil in the chocolate glaze prevents it from cracking when sliced.

One humid July afternoon in my cramped college apartment, my ancient oven blew a fuse right as I was craving something sweet, leaving me with nothing but a microwave and a desperate need for chocolate.

I was devastated.

I threw together peanut butter, melted butter, and graham cracker crumbs, pressing them into a mismatched glass dish with the back of a metal measuring cup until my knuckles throbbed.

But those early attempts were always a gritty, greasy disaster.

The butter would separate, pooling in oily yellow puddles around the edges because I used cheap, oily natural peanut butter that lacked emulsifiers to hold the structure together. When you mix warm butter with natural peanut oils, they refuse to bind, leaving you with a crumbly mess that slides right off your fork.

Bear with me here, because this is hands down the easiest dessert you will make all summer.

If you love our No Bake Oreo Cheesecake or our classic Peanut Butter Pie, this recipe will fit right into your dessert rotation.

Trust me on this one.

You do not need any fancy equipment, just a microwave-safe bowl and a sturdy spatula to beat the mixture into submission.

No Bake Peanut Butter Bars

• Publisher Storied Skillet
• Cuisine American
• Category Dessert, No-Bake
• Prep Time 15 mins
• Cook Time 0 mins
• Servings 16
• Calories 320 calories
• Rating 4.8 5422
• Tags peanut butter, chocolate, no-bake dessert, easy bars

Ingredients

• 1 cup (225g) unsalted butter, melted
• 2 cups graham cracker crumbs (about 16 full sheets)
• 2 cups powdered sugar
• 1 ½ cups creamy peanut butter (such as Jif or Skippy)
• ½ teaspoon Diamond Crystal kosher salt
• 1 ½ cups semi-sweet chocolate chips
• 2 tablespoons creamy peanut butter (for the chocolate layer)

Directions

1. Line an 8x8-inch baking pan with parchment paper, leaving an overhang on the sides for easy removal.
2. In a large bowl, stir together the melted butter, graham cracker crumbs, powdered sugar, 1 ½ cups of peanut butter, and kosher salt until completely smooth and combined.
3. Press the peanut butter mixture firmly and evenly into the prepared pan, using the flat bottom of a measuring cup to smooth the surface.
4. In a microwave-safe bowl, combine the chocolate chips and the remaining 2 tablespoons of peanut butter. Microwave in 30-second bursts, stirring in between, until completely melted and glossy.
5. Pour the melted chocolate over the peanut butter layer and spread it into an even layer using an offset spatula.
6. Refrigerate for at least 1 hour, or until the chocolate is completely set, before lifting the bars out of the pan and slicing into squares.

Notes

• I highly recommend using Diamond Crystal kosher salt. If you only have standard table salt, cut the measurement in half (use ¼ teaspoon) to avoid an overly salty base.
• Conventional peanut butter brands like Jif or Skippy are essential here. The hydrogenated oils act as stabilizers, preventing the fat from separating and ensuring the bars hold their shape at room temperature.
• When melting the chocolate glaze, do not rush the process. Microwave in short 30-second bursts and stir vigorously between each interval; chocolate burns easily and will seize into a gritty paste if overheated.
• These bars soften quickly at room temperature. For the cleanest cuts, slice them straight out of the fridge using a sharp knife dipped in hot water and wiped dry between each slice.
• If you want to experiment with other easy bar recipes, check out our Chocolate Chip Cookie Bars or our Marshmallow S'mores Bars for your next gathering.

Serving Suggestions

These rich bars are incredibly decadent on their own, but you can easily dress them up for a party or a cozy night in.

• Serve chilled alongside a cold glass of milk or a hot espresso to cut through the richness.
• Top with a sprinkle of flaky sea salt (like Maldon) right after spreading the chocolate glaze for a gourmet touch.
• Pair them on a dessert platter with our Strawberry Sugar Cookie Bars for a beautiful color and flavor contrast.
• Cut them into tiny bite-sized squares and use them as a decadent topping for vanilla bean ice cream.

Storage and Reheating

Keep these bars stored in an airtight container in the refrigerator for up to one week. Because of the high butter content, they will soften significantly if left out on the counter for more than an hour.

They actually taste better after a day or two.

The graham cracker crumbs fully hydrate, losing any lingering graininess and turning beautifully fudgy.

If you want to keep them longer, wrap individual squares tightly in plastic wrap and store them in a freezer-safe bag for up to three months. You can eat them straight from the freezer for a frozen treat, or let them thaw in the fridge for twenty minutes before serving.

Ingredient Substitutes

If you need to adapt this recipe for dietary restrictions or pantry limitations, here are the best swaps:

1. Graham Crackers: You can substitute digestive biscuits or vanilla wafers in equal weight. For a chocolate twist, try using crushed Oreos like we do in our Oreo Dirt Cake.
2. Peanut Butter: Sunflower seed butter (like SunButter) works as a direct 1:1 allergen-friendly alternative, though it will have a slightly earthier flavor.
3. Gluten-Free: Use your favorite gluten-free graham cracker brand; the texture and moisture absorption remain virtually identical.
4. Butter: Coconut oil can be used in place of butter, but it will make the bars melt much faster at room temperature, so keep them strictly chilled.

Let me know if you make these! They have saved my sanity during hot summer months more times than I can count, and I know they'll do the same for you.