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Peanut Butter Cup Brownie Bites

March 10, 2026 by Julie - The Recipe Life Leave a Comment

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Chewy chocolate brownie bites cradle classic mini peanut butter cups in this EASY Peanut Butter Cup Brownie Bites recipe. Made from a box brownie mix, this easy dessert recipe is perfect for birthdays, holidays, and family parties.

Chewy brownie on the outside and soft sweet peanut butter cup on the inside are these amazing peanut butter cup brownie bites.

Our family loved these fudgy peanut butter-and-chocolate dessert bites. They are filled with classic flavors: chocolate and peanut butter. They are simple, portable, and bite-sized, making them a hit with kids and adults alike!

A peanut butter cup brownie bite cute in half to show off the chocolate brownie and peanut butter inside surrounded but more brownie bites on one side and Reeses mini peanut butter cups on the other side.

How to Make Boxed Brownie Bites with Peanut Butter Cups

Using a boxed brownie mix really makes for an easy brownie bite recipe. You will mix the brownie batter according to the directions on your box. Then it’s bake, insert the peanut butter cups, cool, and enjoy!

Cooling brownie bites with mini Reese's cups inside them. The best bite size treat!

Ingredients for Brownie Bites with Peanut Butter Cups Inside

  • 18.7-ounce box brownie mix
    • I use a family-size brownie mix, around 18 ounces.
  • eggs, per box instructions
  • vegetable oil, per box instructions
  • water, per box instructions
  • 30-46 Reese’s miniature peanut butter cups
    • The amount of peanut butter used will vary depending on how much batter you put into each muffin tin.
The ingredients to Peanut butter brownie bites: mini Reese's peanut butter cups, a family size box brownie mix, eggs, oil, and water.
  • Silicone Mini Muffin Tin: Silicone makes baking mini muffins a game-changer when it comes to ‘popping’ them out of the pan. It’s so easy! No more struggling with a fork or knife to coax them out.
  • Mini Cupcake Liners: The ones I use for easy clean up!
  • Glass Bowl Set
  • Silicone Spatula

Instructions for Peanut Butter Cup Brownie Bites

First, in a large mixing bowl, mix the brownie mix, eggs, oil, and water as directed on the box.

Box brownie mix, oil, water, and eggs in a large mixing bowl.
Mixed box brownie batter.

Then line a mini muffin tin with mini cupcake liners, or grease it with cooking spray. Fill each muffin well about 2/3 full with brownie batter. This is just over 1 Tablespoon of batter. (I generously scooped the batter with a 1-tablespoon cookie scoop.)

A 24 mini muffin tin filled with paper liners.
A muffin tin lined with mini cupcake liners filled 2/3 the way full of brownie batter using a 1 tablespoon scoop.
A close up picture showing a cupcake liner filled 2/3 the way full with about 1 tablespoon of brownie batter.

Next, bake the brownie bites in an oven preheated to 350°F until a toothpick inserted into the center comes out clean. Start checking around 10 minutes. Bake time will be shorter for a dark metal pan and longer(around 15 minutes) for silicone pans.

Unwrap the peanut butter cups while the brownie bites bake.

Then remove the brownie bites from the oven once baked, and immediately press the peanut butter cups into the center of each, pressing down until the cups are level with the top of the brownie.

Baked mini brownie bites with a mini Reeses cup being pushed into it.
A full muffin tin full of peanut butter cup brownie bites.

Finally, allow the peanut butter brownie bites to cool completely(around 2 hours) before removing them from the tin. Enjoy!

These easy peanut butter cup brownie bites are perfect for summer camping trips, BBQs, and potlucks!

Tips for Great Peanut Butter Cup Brownie Bites

For an even easier peanut butter cup brownie bite, purchase a bag of already unwrapped cups at stores like Aldi. I have a handful of children who love to help unwrap candy in the unfortunate event that one might need to be sampled.

We love cupcake liners! Mini cupcake liners save you from messy muffin tins, make the perfect wrapped individualized treat for school and the office, and tend to make a few more bites than if you just scooped the batter into a greased well.

Oven-bake times vary, so make sure to check with a toothpick!

For faster cooling, leave them on the counter for 20 minutes, then transfer them to the refrigerator until completely cooled.

A brownie bite cut open to show off the creamy peanut butter inside.

Storing Peanut Butter Cup Brownie Bites

This is a treat that stores well. Store these brownie bites at room temperature in an airtight container on the counter for up to 5 days. (If they last that long!) Or freeze them for a cool and quick chocolate-peanut butter treat for up to 3 months. These brownie bites are the perfect dessert to make ahead and freeze for last-minute guests, camping trips, or summer parties. Be careful not to leave them in the heat for too long, as the centers may melt (not always a bad thing).

Brownie bites with mini Reese cups inside make the perfect finger food treat.

More Great Recipes for Busy Families!

If you came here for brownie recipes and all things brownie, you must try the BEST peanut butter icing. This is the best icing for any pan of brownies! Fluffy, with just the right amount of peanut butter, butter, and powdered sugar, it’s easy and will elevate your brownies to a whole new level!!

Second, this Easy Brookie Cookie recipe is divine! A half traditional, warm, and sweet chocolate chip cookie and a half fudgy brownie make this deliciously addictive cookie. These brookie cookies are made with store-bought ingredients, so you can truly take a break and enjoy a delicious treat!

Let’s get into the meat of it: We can not survive on sweet! That’s why I also have equally delicious whole-ingredient meal ideas that will feed the family. Try out these quick casseroles and other dinner ideas!

  • Italian Chicken, Green Beans, and Potatoes 
  • Ground Beef Fried Rice
  • Ground Beef And Potato Casserole
  • Buffalo Chicken Salad
Chewy brownie on the outside and soft sweet peanut butter cup on the inside are these amazing peanut butter cup brownie bites.

Peanut Butter Cup Brownie Bites

Easy and delicious, this Peanut Butter Brownie Bites recipe takes a box brownie mix and Reese's peanut butter cups for a bite-size treat that everyone can enjoy!!
Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 15 minutes mins
Cooling 2 hours hrs
Course Dessert, Snack
Cuisine American
Servings 44 treat

Ingredients
  

  • 18.7 ounces box brownie mix or around that 'family size' box
  • eggs per box instructions
  • vegetable oil per box instructions
  • water per box instructions
  • 44 Reese's miniature peanut butter cups

Instructions
 

  • In a large mixing bowl, mix the brownie mix, eggs, oil, and water as directed on the box.
  • Line a mini muffin tin with mini cupcake liners, or grease it with cooking spray. Fill each muffin well about 2/3 full with brownie batter. This is just over 1 Tablespoon of batter. (I generously scooped the batter with a 1-tablespoon cookie scoop.)
  • Bake the brownie bites in an oven preheated to 350°F until a toothpick inserted into the center comes out clean. Start checking around 10 minutes. Bake time will be shorter for a dark metal pan and longer(around 15 minutes) for silicone pans.
    Unwrap the peanut butter cups while the brownie bites bake.
  • Remove the brownie bites from the oven once baked and immediately press the peanut butter cups in the center of each one, pressing down until the cups are level with the top of the brownie.
  • Allow the peanut butter brownie bites to cool completely(around 2 hours) before removing them from the tin. Enjoy!
Keyword Peanut Butter Cup Brownie Bites

Filed Under: Desserts, Food & Recipes, Snack Tagged With: delicious dessert, kid-friendly, side dishes, snack

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