Peanut Butter Chocolate Bars

Featured in: Sweet Smile

Indulge in layers of creamy peanut butter and velvety chocolate with these easy dessert bars. Featuring a buttery crumb base topped with a smooth chocolate-peanut butter mix, each square offers a satisfying blend of chewy and rich textures. Chill for a perfectly set topping, then slice and enjoy as a sweet snack or after-dinner treat. Adaptable for gluten-free or vegan options, these bars make a crowd-pleasing addition to any dessert table.

Updated on Fri, 03 Oct 2025 17:49:50 GMT
Peanut Butter Chocolate Bars sliced into squares with glossy chocolate and creamy peanut butter layers. Save
Peanut Butter Chocolate Bars sliced into squares with glossy chocolate and creamy peanut butter layers. | grinnosh.com

These peanut butter chocolate bars are my ultimate go-to when I need something easy yet impressive for parties or those days when the chocolate craving hits hard. With a rich, chewy peanut butter layer and a glossy chocolate finish, they come together quickly and disappear just as fast.

Even on my busiest evenings, I can make these bars and know they will be the first dessert to vanish. My family insists they taste like a homemade version of their favorite peanut butter cups.

Ingredients

  • Creamy peanut butter: The heart of both layers Use a fresh jar for the smoothest results and rich nutty flavor
  • Unsalted butter: Adds moisture and rich flavor Look for butter with no added salt for best results
  • Graham cracker crumbs: Provide structure and a hint of toasty taste Choose crisp, fresh crackers and crush finely for a firm base
  • Powdered sugar: Sweetens and binds the base Check for lumps and sift if needed for a silky mixture
  • Semi-sweet chocolate chips: Create that classic chocolate topping Go for quality chips for an extra indulgent finish
  • Optional chopped roasted peanuts: Sprinkle in for crunch Toast them lightly before adding for even more flavor

Instructions

Prepare the Pan:
Line an eight-inch baking pan with parchment paper allowing extra paper to hang over the sides for easy lifting later Press the paper into the corners to avoid sticking
Mix the Base:
In a large mixing bowl combine the full cup of creamy peanut butter melted unsalted butter crushed graham crackers and powdered sugar Stir thoroughly until fully blended The mixture should be thick but spreadable
Press the Base:
Transfer the peanut butter mixture into the prepared pan Use a spatula or clean hands to press it down firmly Create an even compact layer by smoothing the top thoroughly This ensures the bars hold together once cut
Melt the Chocolate Topping:
Add the chocolate chips and a quarter cup of creamy peanut butter to a microwave-safe bowl Heat in thirty second bursts stirring after each until fully melted and smooth This may take about one to two minutes total Be careful not to overheat as chocolate melts quickly
Spread the Topping:
Immediately pour the melted chocolate mixture over the base Use a spatula to spread it right to the edges If you want a glossy finish tap the pan gently on the counter to smooth out the top
Chill the Bars:
Place the pan in the refrigerator for at least forty minutes Waiting allows the chocolate top to set fully so your bars slice cleanly
Slice and Serve:
Once the chocolate is set use the parchment paper to lift the bars onto a cutting board Cut carefully into sixteen even squares with a sharp knife For perfect edges warm the knife under hot water and wipe dry between cuts
Serving Temperature:
Enjoy the bars chilled for a firmer bite or at room temperature for a softer chewy texture
Chewy Peanut Butter Chocolate Bars stacked on a plate, perfect for a quick homemade dessert. Save
Chewy Peanut Butter Chocolate Bars stacked on a plate, perfect for a quick homemade dessert. | grinnosh.com

My personal favorite touch is using crunchy peanut butter for a bit of texture Sometimes my kids jump in to help with stirring the base and I always end up with sticky fingers and laughter in the kitchen These bars have become our no-fuss birthday tradition every year

Storage Tips

Keep any leftovers tightly covered in the fridge for up to a week To prevent the chocolate from sticking use a sheet of parchment between layers if stacking in a container If you want to freeze them wrap each bar individually with plastic wrap and store in a freezer-safe bag They can be enjoyed straight from the freezer or thawed for about ten minutes

Ingredient Substitutions

For a vegan option replace the butter and chocolate chips with dairy-free alternatives If you run out of graham crackers digestive biscuits work well and can even add a slightly maltier taste If you do not have powdered sugar pulse granulated sugar in the blender until fine and light

Serving Suggestions

Cut the bars into tiny squares for a sweet bite at parties or into larger rectangles for bake sales I like to serve them after a casual dinner for a simple yet luxurious dessert Try topping each square with a sprinkle of flaky sea salt

A Sweet Piece of Americana

These bars borrow flavors from classic American candies and old-fashioned bake sale staples Their roots are in the simple joys of childhood kitchen experiments The no-bake base and chocolate-peanut combo have been a staple in my family since the eighties

Seasonal Adaptations

Add a pinch of cinnamon to the base in fall for warmth Swap peanut butter for almond or sunflower seed butter in spring for a lighter taste Sprinkle crushed peppermint candies on the chocolate topping in winter for a festive twist

Success Stories

Every potluck I bring these to someone asks for the recipe My neighbor made them for her son’s birthday and told me not a single crumb was left At friendsgiving one year I doubled the batch and there were still no leftovers

Freezer Meal Conversion

These bars freeze beautifully Wrap them well and tuck away for later For best results let them chill completely before slicing then freeze in a single layer Once solid stack with parchment in between and store for up to three months Simply defrost at room temperature before serving

Close-up of Peanut Butter Chocolate Bars showing rich chocolate topping and a buttery, nutty base. Save
Close-up of Peanut Butter Chocolate Bars showing rich chocolate topping and a buttery, nutty base. | grinnosh.com

These peanut butter chocolate bars are a delightful treat that satisfies cravings and impresses guests with minimal effort. Their rich flavor and chewy texture make them a crowd-pleaser for any occasion.

Recipe FAQ

What type of peanut butter works best?

Creamy peanut butter provides a smooth texture, but crunchy can add extra texture if preferred.

Can I use a different base instead of graham crackers?

Yes, digestive biscuits or gluten-free alternatives are great choices for the crust layer.

How do I store the bars?

Keep in an airtight container in the fridge for up to one week, or freeze for longer storage.

Are these bars suitable for a vegan diet?

Substitute dairy butter and chocolate chips with plant-based alternatives for a vegan-friendly option.

How can I add crunch to the bars?

Stir in chopped roasted peanuts or use crunchy peanut butter in the base for extra texture.

Peanut Butter Chocolate Bars

Chewy chocolate bars layered with peanut butter—a decadent treat made easy for any dessert lover.

Prep duration
20 min
Cook duration
10 min
Complete duration
30 min
Created by Hannah Lewis


Skill level Easy

Heritage American

Output 16 Portions

Dietary guidelines Meat-free

Components

Base Layer

01 1 cup creamy peanut butter
02 1/2 cup unsalted butter, melted
03 2 cups graham cracker crumbs
04 1 1/2 cups powdered sugar

Chocolate Topping

01 1 1/2 cups semi-sweet chocolate chips
02 1/4 cup creamy peanut butter

Directions

Stage 01

Prepare the Pan: Line an 8x8-inch a baking pan with parchment paper, ensuring there is overhang for easy removal convenience.

Stage 02

Mix the Base: In a substantial mixing bowl, combine 1 cup of creamy peanut butter, the melted unsalted butter, graham cracker crumbs, and powdered sugar. Stir until a homogenous mixture is achieved.

Stage 03

Form the Base Layer: Press the peanut butter mixture uniformly into the prepared pan. Utilize a spatula or your hands to craft a smooth and compact foundational layer.

Stage 04

Prepare the Chocolate Topping: In a microwave-safe receptacle, meld the semi-sweet chocolate chips with 1/4 cup of creamy peanut butter. Microwave in 30-second increments, agitating between each, until the chocolate is fluid and smooth, typically requiring 1 to 2 minutes.

Stage 05

Assemble the Bars: Decant the liquefied chocolate mixture atop the peanut butter foundation. Spread evenly using a spatula to ensure complete coverage.

Stage 06

Chill and Set: Refrigerate the confection for a minimum of 40 minutes, or until the chocolate topping has solidified.

Stage 07

Cut and Serve: Extract the set confection from the pan by gently pulling on the parchment overhang. Employ a sharp knife to divide into 16 individual bars. Serve chilled or at ambient temperature.

Necessary tools

  • 8x8-inch baking pan
  • Mixing bowls
  • Microwave-safe bowl
  • Spatula
  • Knife
  • Parchment paper

Allergy details

Review each component for potential allergens and consult with healthcare professionals if you're uncertain about ingredients.
  • This preparation contains peanuts, dairy (from butter and chocolate chips), and gluten (from graham crackers).
  • To create gluten-free bars, ensure the use of certified gluten-free graham crackers.
  • Always consult ingredient labels for potential allergens if you have specific dietary restrictions.

Nutrient content (per portion)

These values are approximate guidelines only and shouldn't replace professional nutritional advice.
  • Energy: 280
  • Fats: 17 g
  • Carbohydrates: 30 g
  • Proteins: 5 g