No Bake Peanut Butter Oatmeal Cookies are easy to make, packed with protein and stuffed with Reese’s Pieces for good measure.

They’re made with just 7 ingredients and are ready to devour in 10 minutes!

peanut butter oatmeal cookies
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no bake oatmeal peanut butter cookies

Yes, you read that right. You know I love that sweet and salty combo – and I can’t resist Reese’s Pieces, so I decided to add a little surprise in these No Bake Oatmeal Peanut Butter Cookies. In fact, you’d probably be surprised if I didn’t, right? There’s nothing like candy tucked inside of cookies for a sweet surprise.

no bake oatmeal peanut butter cookies stuffed with reese's pieces

The best part is that they’re ready to enjoy in just 10 minutes – without having to preheat the oven or refrigerate and wait! They make a great after school snack and of course the perfect fall treat!

no bake peanut butter oatmeal cookies

All you need to make No Bake Peanut Butter Oatmeal Cookies without cocoa is sugar, butter, milk, vanilla, peanut butter, quick oats and Reese’s Pieces!

no bake oatmeal peanut butter cookies

They taste so totally decadent, and will instantly become one of your favorite fall cookies! And psst… if you love these, don’t skip my incredibly buttery Toffee Cookies.

How to Make No Bake Peanut Butter Oatmeal Cookies:

  • Combine sugar, butter and milk, bring to a boil.
  • Stir in vanilla, peanut butter and oats. Stir to cool the batter.
  • Form balls, add Reese’s Pieces and cover with a little extra batter.
  • Drop onto a lined cookie sheet and allow them to set.
no bake peanut butter oatmeal cookies

How to Stuff Peanut Butter Cookies:

  • Using a large cookie scoop, scoop dough.
  • Create a well using your thumb.
  • Add Reese’s Pieces (or the candy of your choice). 
    no bake peanut butter oatmeal cookies stuffed with reese's pieces
  • Cover with excess dough or add additional dough to seal. 
    no bake peanut butter oatmeal cookies stuffed with reese's pieces

Tips to Make No Bake Oatmeal Peanut Butter Cookies:

  • Use regular creamy peanut butter, not natural
  • Use the heaviest milk you have (Vitamin D or 2% is preferable)

More Peanut Butter Recipes You'll Love

If you're a fan of sweet and salty, you'll love these easy Peanut Butter recipes!

I hope you love these peanut butter no-bake cookies! If your family loves peanut butter recipes as much as mine does, give this peanut butter cake recipe a try! I promise you won’t regret it! 

stuffed no bake peanut butter cookies

If you love this recipe as much as we do, please write a five star review and help me share on Facebook and Pinterest!

More No Bake Inspiration

no bake oatmeal peanut butter cookies stuffed with reese's pieces
5 from 2 votes

No Bake Peanut Butter Oatmeal Cookies

No Bake Peanut Butter Oatmeal Cookies are easy to make, packed with protein and stuffed with Reese’s Pieces for good measure. They’re made with just 7 ingredients and are ready to devour in 10 minutes!
Prep: 5 minutes
Cook: 5 minutes
Total: 10 minutes
Servings: 24
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Ingredients  

  • 3 cup white granulated sugar
  • 3/4 cup butter
  • 3/4 cup milk
  • 1 teaspoon vanilla
  • 1 1/2 cup peanut butter
  • 4 1/2 cup quick oats
  • 1 box Reese’s Pieces

Instructions 

  • In a saucepan over medium heat, combine sugar, butter and milk, stirring occasionally. 
  • Bring to a rapid boil for 1 minute (bubbles make and break continuously).
  • Remove from heat, stir in vanilla and peanut butter, followed by oats until the mixture begins to cool (about 2 minutes).
  • Using a large cookie scoop, scoop dough, create a well with your thumb, add 4-5 Reese’s Pieces and seal with excess dough.
  • Drop onto lined cookie sheet and allow to set.

Tips

You can stuff these No Bake Oatmeal Peanut Butter Cookies with your favorite candy.
Use regular creamy peanut butter, not natural
Use the heaviest milk you have (Vitamin D or 2% is preferable)
 
Calories: 302kcal | Carbohydrates: 39g | Protein: 6g | Fat: 15g | Saturated Fat: 6g | Cholesterol: 16mg | Sodium: 129mg | Potassium: 171mg | Fiber: 2g | Sugar: 27g | Vitamin A: 192IU | Calcium: 25mg | Iron: 1mg

Estimated nutrition information is provided as a courtesy and is not guaranteed.

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4 Comments

  1. First batch was way too sweet. Second batch I cut the sweetness with some cocoa powder. Also added in some crushed granola bars on the second batch which added crunch. Very easy and fast recipe. Thanks!