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Fluffernutter Brownies with Peanut Butter Eggs

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Fluffernutter Brownies are rich, gooey layered brownies made easy with brownie mix, Reese’s Peanut Butter Eggs, marshmallows and chocolate chips. These brownies are sure to please and are great for feeding a crowd, sharing with friends or just because you’re in a peanut butter-chocolate mood.

Stack of three fluffernutter brownies separated with pieces of white parchment paper. Brownies are made with brownie mix, Reese's peanut butter eggs, marshmallows and chocolate chips.

My weekends always include baking. Last week I was still trying to rid my pantry of some Reese’s Easter Eggs, not because I don’t love them but because I do not think a person is supposed to eat one after each meal including breakfast. Especially if they want to fit in their Summer clothes.

Inspired by many layered brownie recipes I made these using, three main ingredients, a brownie mix, Reese’s Peanut Butter Eggs, and some marshmallows. It is that easy, and I have to tell you that you will have to give some away ASAP or you will eat the entire pan.

These brownies are moist and chocolatey but also creamy from the marshmallows and have a burst of peanut butter in each bite! I prefer them warm and think they taste the best just after they cool but obviously, enjoy them as you prefer. Perhaps plain or even in a brownie sundae.

overhead view of a single fluffernutter brownie made with Reese's peanutbutter eggsresting on a piece of parchment paper next to a bottle of milk on a brown table.

Why you’ll love these Fluffernutter Brownies

  • Super easy recipe
  • Uses up leftover Easter candy or you can use regular Reese’s Peanut Butter Cups
  • Great for a chocolate quick-fix or when you need dessert in a hurry

Ingredients

  • Boxed brownie mix
  • Reese’s Peanut Butter Cups
  • Mini marshmallows
  • Chocolate chips (optional)
a closeup front view of a large glass bottle of milk next to a stack of three fluffernutter brownies made with brownie mix, reese's peanut butter eggs, mini-marshmallows and chocolate chips.

How to Make Fluffernutter Brownies

  1. Preheat oven to directions on brownie mix.
  2. Prepare 9 x 9 pan, not 13 x 9.
  3. Mix brownies according to directions.
  4. Spread half of the batter in the bottom of prepared pan.
  5. Place peanut butter cups/eggs over the brownies mix and gently push into the batter.
  6. Arrange marshmallows around the peanut butter butter cups, almost like grout.
  7. Sprinkle with chocolate chips if preferred.  
  8. Pour remaining batter over the top and bake about 45 minutes or until tooth pick comes out clean.
  9. Let cool on wire rack. 
  10. Do not over bake and if you like gooey brownies than cook less time. 
Stack of three fluffernutter brownies made with peanut butter candy eggs with marshmallows and chocolate chip filling sitting on a brown table top with white parchment squares separating each brownie.

Tips & Variations

  • Change the add-ins. If you don’t have Reese’s Peanut Butter Eggs, use Reese’s Peanut Butter cups instead.
  • Try dark chocolate. Reese’s Dark Chocolate Peanut Butter cups will also work.
  • Glaze them. Add a layer of chocolate ganache or a drizzle of caramel topping for even more chocolate decadence.

Storage

These brownies are best stored in a cool dry place for up to 2 days, then refrigerated in an airtight container for up to 5 days.

A stack of fluffernutter brownies filled with reese's peanut butter candies sitting on a brown wood table top next to a bottle of milk.

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Stack of three fluffernutter brownies separaged with pieces of white parchment paper. Brownies are made with brownie mix, Reese's peanut butter eggs, marshmallows and chocolate chips

Fluffernutter Brownies

Fluffernutter Brownies are rich, gooey layered brownies made easy with brownie mix, Reese's Peanut Butter Eggs, marshmallows and chocolate chips.
Print Recipe

Ingredients

  • 1 Box Brownie mix for 13 x 9 pan plus ingredients listed on package: eggs, oil, water
  • 8-10 Reese’s Peanut Butter Eggs or Reese's Peanut Butter Cups
  • 1 cup mini marshmallows
  • 1 cup chocolate chips optional

Instructions

  • Preheat oven to directions on brownie mix.
  • Prepare 9 x 9 pan, not 13 x 9.
  • Mix brownies according to directions.
  • Spread half of the batter in the bottom of prepared pan.
  • Place peanut butter cups/eggs over the brownies mix and gently push into the batter.
  • Arrange marshmallows around the peanut butter butter cups, almost like grout.
  • Sprinkle with chocolate chips if preferred.
  • Pour remaining batter over the top and bake about 45 minutes or until tooth pick comes out clean.
  • Let cool on wire rack.
  • Do not over bake and if you like gooey brownies than cook less time.
Course: Dessert
Cuisine: American
Keyword: fluffernutter brownies, Reece’s Easter Egg Brownies

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