Chocolate Peanut Butter Tiffin Bars

Chocolate Peanut Butter Tiffin Bars are a rich, no-bake dessert made with a buttery peanut butter biscuit base and a smooth layer of chocolate on top. Crushed graham crackers or digestive biscuits give the base its classic tiffin texture, while chopped roasted peanuts add a satisfying crunch. The chocolate and peanut butter topping creates a creamy, fudge-like finish that makes these bars difficult to resist.

These easy refrigerator bars require no oven and are perfect for parties, holidays, potlucks, or whenever you need a quick homemade dessert. No-bake peanut butter and chocolate bars are commonly made by pressing a biscuit-based mixture into a lined pan, covering it with melted chocolate, and chilling until firm.

Prep Time: 20 minutes
Chilling Time: 2–3 hours
Total Time: Approximately 2 hours 20 minutes
Servings: 16 bars
Category: Dessert
Cuisine: British-Inspired / No-Bake

Ingredients

For the Fudgy Biscuit Base

1 cup (226 g) unsalted butter, melted

1¼ cups (330 g) creamy peanut butter

2 cups (240 g) graham crackers or digestive biscuits, coarsely crushed

1¾ cups (210 g) powdered sugar

½ cup (75 g) roasted peanuts, chopped

For the Chocolate Topping

1½ cups (270 g) milk or semi-sweet chocolate chips

¼ cup (66 g) creamy peanut butter

2 tablespoons chocolate chips or crushed peanuts, optional, for garnish

Instructions

Prepare the Pan

Line an 8-inch or 9-inch square baking pan with parchment paper. Leave some paper hanging over the sides so you can easily lift the chilled tiffin out of the pan later.

Prepare the Biscuit Crumbs

Place the graham crackers or digestive biscuits in a large bowl. Crush them into small pieces, but do not turn everything into a fine powder.

A mixture of small crumbs and slightly larger pieces gives tiffin bars their wonderful crunchy texture.

Add the chopped roasted peanuts and stir to distribute them throughout the biscuit mixture.

Make the Peanut Butter Base

Add the melted butter and creamy peanut butter to a large mixing bowl. Stir until smooth and completely combined.

Add the powdered sugar gradually, mixing well until the mixture becomes thick and smooth.

Add the crushed biscuits and chopped peanuts. Fold everything together until every piece is coated with the peanut butter mixture.

The mixture should be thick and hold together when pressed between your fingers. If your peanut butter is particularly thick, warming it gently before mixing can make the process easier.

Press into the Pan

Transfer the biscuit mixture to your prepared baking pan.

Use a spatula or the back of a spoon to spread the mixture evenly across the bottom of the pan.

Press firmly to create a compact and even layer. You can place a piece of parchment paper over the top and press down with the bottom of a measuring cup to make the surface smooth.

Place the pan in the refrigerator while preparing the chocolate topping.

Make the Chocolate Peanut Butter Topping

Add the chocolate chips and ¼ cup peanut butter to a microwave-safe bowl.

Microwave in short intervals of approximately 20–30 seconds, stirring after each interval, until the chocolate is almost completely melted.

Continue stirring until the residual heat melts the remaining chocolate and the mixture becomes smooth and glossy.

You can also melt the chocolate and peanut butter using a heatproof bowl placed over a saucepan of gently simmering water. Make sure the bottom of the bowl does not touch the water.

Add the Chocolate Layer

Remove the biscuit base from the refrigerator.

Pour the melted chocolate mixture over the peanut butter base. Use a spatula to spread it evenly across the entire surface.

Immediately sprinkle the top with extra chocolate chips or crushed peanuts if desired.

Chill Until Firm

Return the pan to the refrigerator and chill for approximately 2–3 hours, or until the chocolate topping and peanut butter base are firm.

For easier slicing, remove the pan from the refrigerator and allow it to sit at room temperature for about 10 minutes before cutting. Allowing chilled chocolate bars to warm slightly can help reduce cracking when slicing.

Lift the tiffin out using the parchment paper.

Use a sharp knife to cut it into 16 squares or rectangular bars. For cleaner slices, wipe the knife clean between cuts.

Serve chilled or allow the bars to soften slightly at room temperature before eating.

Tips

Use creamy peanut butter for the smoothest base. Commercial creamy peanut butter generally gives these bars a stable, smooth texture. Natural peanut butter can also work, but make sure it is thoroughly stirred before measuring.

Don’t crush the biscuits too finely. Tiffin is known for its interesting texture. Leave some slightly larger pieces so each bite has a little crunch.

Press the base firmly. A loosely packed base can crumble when you cut the bars. Take a few extra minutes to press it firmly and evenly into the pan.

Line the pan with parchment paper. Leave an overhang on the sides to create handles. This makes removing the finished tiffin much easier.

Melt chocolate gently. High heat can cause chocolate to become thick or grainy. Use short microwave intervals and stir frequently.

Add peanut butter to the chocolate. Peanut butter helps create a softer topping that is easier to bite and cut than plain hardened chocolate.

Use a warm knife for neat slices. Run your knife under warm water, dry it thoroughly, and slice through the bars. Repeat when necessary.

Don’t rush the chilling process. The bars need enough time for the peanut butter base and chocolate topping to become firm.

Add garnish immediately. Sprinkle chopped peanuts or chocolate chips over the topping before the chocolate begins to set.

Variations

Dark Chocolate Peanut Butter Tiffin

Use dark chocolate instead of milk or semi-sweet chocolate for a richer and less sweet topping. Dark chocolate creates a delicious contrast with the sweet peanut butter base.

Crunchy Peanut Butter Version

Replace the creamy peanut butter in the base with crunchy peanut butter for even more texture.

Salted Chocolate Version

Sprinkle a small amount of flaky sea salt over the melted chocolate before chilling. The salty flavor balances the sweetness beautifully.

White Chocolate Swirl

Melt a small amount of white chocolate and drizzle it over the dark or milk chocolate topping. Use a toothpick to create a decorative swirl.

Cookie Lover’s Version

Replace part of the graham crackers with crushed chocolate cookies or vanilla biscuits.

Nutty Deluxe Version

Add chopped almonds, cashews, pecans, or pistachios along with the roasted peanuts.

Extra Chocolate Version

Mix mini chocolate chips into the biscuit base for little pockets of chocolate throughout the bars.

Vegan Version

Use dairy-free butter and dairy-free chocolate. Choose a peanut butter without added dairy ingredients and check that your biscuits are suitable for a vegan diet.

Peanut Butter Cup Version

Use milk chocolate for the topping and add extra chopped peanut butter cups as a garnish.

Q&A

Do Chocolate Peanut Butter Tiffin Bars need to be baked?

No. This is a completely no-bake dessert. The ingredients are mixed, pressed into a pan, topped with melted chocolate, and chilled until firm.

Can I use digestive biscuits instead of graham crackers?

Yes. Digestive biscuits are excellent for tiffin and provide the classic crunchy texture associated with traditional refrigerator cakes. Plain crisp biscuits are commonly used in tiffin-style desserts.

Can I use natural peanut butter?

Yes, but stir it thoroughly before measuring because natural peanut butter often separates into oil and solids. A smooth, well-mixed peanut butter will give the best results.

Why is my base too soft?

The bars may need additional chilling time. Make sure the butter and peanut butter quantities are measured accurately and that the biscuit crumbs are mixed evenly throughout the base.

Why did my chocolate crack when cutting?

Chocolate that is extremely cold can crack when sliced. Let the bars sit at room temperature for 10–15 minutes before cutting and use a warm, sharp knife.

How should I store the bars?

Keep them in an airtight container in the refrigerator for up to one week.

Can I freeze Chocolate Peanut Butter Tiffin Bars?

Yes. Place the cut bars in an airtight freezer-safe container with parchment paper between layers. Freeze for up to two months. Thaw in the refrigerator before serving.

Can I make these ahead for a party?

Absolutely. These bars are ideal for making ahead because they need chilling time. Prepare them one day before your event and keep them refrigerated until serving.

Nutrition

Approximate nutrition per bar, based on 16 servings:

Calories: 450–500 kcal
Protein: 7–9 g
Carbohydrates: 42–48 g
Fat: 29–34 g
Saturated Fat: 11–14 g
Fiber: 2–3 g
Sugar: 32–38 g
Sodium: 150–250 mg

Nutrition values are approximate and will vary depending on the type of peanut butter, biscuits, butter, and chocolate used.

Conclusion

Chocolate Peanut Butter Tiffin Bars are an easy, indulgent no-bake dessert with everything peanut butter and chocolate lovers want. The buttery biscuit base is sweet, fudgy, and crunchy, while the smooth chocolate peanut butter topping adds an irresistible finishing layer.

The recipe is simple enough for beginners and requires no special equipment beyond a bowl, baking pan, and refrigerator. You can also customize the bars with dark chocolate, extra nuts, cookie pieces, white chocolate swirls, or a sprinkle of sea salt.

For the best texture, chill the bars until completely firm, then allow them to sit for a few minutes before slicing. Serve them as an after-dinner treat, bring them to parties, or keep a batch in the refrigerator for whenever a chocolate and peanut butter craving strikes.