Peanut Butter Brownie Cups: 12 Irresistible Bites

February 14, 2026

Peanut Butter Brownie Cups have been a delightful treat in my kitchen for as long as I can remember. The combination of rich, fudgy chocolate and creamy peanut butter is simply irresistible. I can still recall the first time I made these mini peanut butter brownies for a family gathering; the joy on everyone’s faces as they took their first bite was priceless. Each cup melts in your mouth, enveloping your senses with a blend of sweetness and richness that’s hard to resist. Whether you’re making them for a party or simply to satisfy a sweet craving, these homemade peanut butter brownie cups will not disappoint. Let’s get cooking!

Why You’ll Love This Peanut Butter Brownie Cups

They combine two classic flavors: chocolate and peanut butter.
Quick and easy to prepare, making them perfect for busy days.
Great for families, even kids love these peanut butter brownie bites.
Perfect for parties; they are always a crowd-pleaser.
Can be made gluten-free or vegan for dietary preferences.
Versatile; you can add toppings like nuts or chocolate drizzle.

Ingredients for Peanut Butter Brownie Cups

Here’s everything you need for these delectable brownie cups:

1 box brownie mix – the base for our fudgy cups.
2 large eggs – binds the ingredients together.
1/2 cup oil – adds moisture and richness.
3/4 cup creamy peanut butter – the star of the show!
1/2 cup powdered sugar – sweetens the peanut butter filling.
1 teaspoon vanilla extract – enhances the flavor.

How to Make Peanut Butter Brownie Cups

Step 1: In a small bowl, combine creamy peanut butter, powdered sugar, and vanilla extract. Mix until smooth, then roll into 1-inch balls and freeze while prepping the batter.
Step 2: In a large mixing bowl, stir together brownie mix, eggs, and oil until fully combined and smooth.
Step 3: Preheat oven to 350°F (175°C). Line a muffin tin with paper liners or spray with nonstick spray.
Step 4: Spoon a tablespoon of brownie batter into each muffin cup. Place a frozen peanut butter ball in the center, then top with more batter to cover.
Step 5: Bake for 18–20 minutes or until tops are set and slightly crackly.
Step 6: Let cool in the pan for 10 minutes, then transfer to a wire rack.
Step 7: Serve warm for a gooey center or let cool completely to store.

Irresistible Peanut Butter Brownie Cups with a rich chocolate base and creamy peanut butter filling, perfect for dessert

Pro Tips for the Best Peanut Butter Brownie Cups

These tricks guarantee success every time:

Use high-quality peanut butter for the best flavor.
Don’t overmix the brownie batter for a lighter texture.
For extra indulgence, drizzle with melted chocolate before serving.

What’s the secret to perfect Peanut Butter Brownie Cups?

The key is to freeze the peanut butter balls before adding them to the batter. This keeps the filling soft and gooey when baked, creating that perfect contrast with the fudgy brownie.

Can I make Peanut Butter Brownie Cups ahead of time?

Yes! You can prepare the batter and peanut butter filling a day in advance. Just store them separately in the fridge until you’re ready to assemble and bake.

How do I avoid common mistakes with Peanut Butter Brownie Cups?

Make sure to measure your ingredients accurately. Also, keep an eye on baking time; overbaking will lead to dry brownie cups.

Best Ways to Serve Peanut Butter Brownie Cups

These brownie cups can be served with a scoop of vanilla ice cream for a delightful dessert. For added flair, top them with crushed peanuts or a drizzle of caramel sauce. They also pair wonderfully with a hot cup of coffee or milk.

Close-up of delicious Peanut Butter Brownie Cups, showing the fudgy brownie and creamy peanut butter center

Nutrition Facts for Peanut Butter Brownie Cups

Per serving (recipe makes 12 servings):

Calories: 290
Fat: 16g
Saturated Fat: 3g
Protein: 4g
Carbohydrates: 34g
Fiber: 1g
Sugar: 18g
Sodium: 180mg

Nutritional values are estimates and may vary based on specific ingredients used.

How to Store and Reheat Peanut Butter Brownie Cups

Cool the brownie cups completely before storing them in an airtight container. They can be kept in the fridge for 3-4 days or frozen for up to 3 months. To reheat, simply microwave for a few seconds until warm.

Frequently Asked Questions About Peanut Butter Brownie Cups

Can I use crunchy peanut butter instead of creamy?

Absolutely! Crunchy peanut butter will add an extra layer of texture to your brownie cups.

What can I substitute for the brownie mix?

You can make your own brownie batter from scratch using flour, cocoa powder, and sugar, or try a gluten-free brownie mix for a different twist.

Variations of Peanut Butter Brownie Cups You Can Try

Feel free to experiment with these variations: Use vegan peanut butter brownie cups by replacing eggs with flax eggs, or try adding chocolate chips to the batter for extra richness. You can also create no-bake peanut butter brownie cups using a chilled chocolate crust.