No Bake Peanut Butter Oat Cups (4 Ingredients!)

5 from 23 votes
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These no bake peanut butter oat cups are delicious, super easy to make, and only use four ingredients! You’ll top a creamy peanut butter base with melted chocolate to create a sweet treat with major peanut butter cup vibes. If you’re a peanut butter lover, don’t miss this one.

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No bake peanut butter oat cups stacked on a wooden board.

Why you’ll love these

First of all, is there anything better than a peanut butter and chocolate combination? If you’ve got a sweet tooth, these chocolate peanut butter cups are the perfect no bake treats.

As a Registered Dietitian, I believe that all foods fit, and I don’t expect you to abandon regular peanut butter cups forever after trying this peanut butter chocolate. But, I also think it’s fun to make a sweet treat that has a little bit more going on nutritionally sometimes.

These no bake chocolate peanut butter oat cups are made with four simple, nutritious ingredients: whole grain oat flour (hello fiber!), peanut butter full of healthy fats, maple syrup, and chocolate chips. A delicious treat with health benefits too? I’m always on board for that.

Plus this is a super easy recipe. They’re easy enough for anyone in your family to help with!

Ingredients for no bake peanut butter oat cups in bowls with labels on a countertop.
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Ingredients you’ll need

The best part about these is the super simple ingredients. Here’s what you’ll need for these no bake peanut butter cups.

  1. Oat flour: I prefer to make my own oat flour using rolled oats and processing them finely in my food processor. Rolled oats are generally safe to eat because they’re steamed before being processed, versus some store-bought oat flours may not be. If you’re at higher risk of foodborne illness or have a sensitive stomach, you may want to heat treat the oats first in your oven.
  2. Peanut butter: Any peanut butter or nut butter will work here! It’s up to you if you want to use one that’s a “natural” peanut butter with just peanuts and salt, or a standard brand like Skippy. Both will work.
  3. Pure maple syrup: Personally I like the deep flavor that maple syrup brings to these, but you can use honey too.
  4. Chocolate chips: I usually use semi-sweet chocolate chips, but you can use dark chocolate chips, white chocolate chips, milk chocolate chips, or any others that you like.

Coconut oil: This is an optional 5th ingredient, but adding just a teaspoon or so of coconut oil can help the chocolate chips to melt and harden smoother.

Step-by-step instructions

  1. Add your peanut butter and maple syrup to a medium sized microwave-safe bowl and microwave for 40-60 seconds. Stir thoroughly until peanut butter and maple syrup is completely combined.
Peanut butter and maple syrup in a clear bowl.
Melted peanut butter and maple syrup mixed in a clear bowl.
  1. Next, slowly add the oat flour to the bowl and mix well (it should take some effort to mix!). You can also transfer to a standing mixer to do the work for you. The mixture should be very thick, but easily moldable.
Peanut butter, maple syrup and oat flour mixed in a clean bowl.
  1. Prepare a muffin pan by spraying with some oil or lining with cupcake liners. Or, use a silicone muffin pan as shown here for the easiest method. You can also make them in a mini muffin silicone pan or mini muffin tin with paper liners. Scoop the peanut butter oat mixture evenly into the muffin pan and press down with your fingers.
A silicone muffin pan filled with peanut butter, oat flour and maple syrup.
No bake oat cups in a silicone muffin pan with melted chocolate on top.
  1. In a microwave-safe small bowl, add chocolate chips and coconut oil. Heat in 30 second increments until chocolate is completely melted and smooth. Stir with a spoon in between microwave sessions.
  2. Pour a layer of chocolate into each muffin hole and smooth the top with the back of a spoon. Optional: Sprinkle flaky salt, sprinkles, or mini chocolate chips on top of the chocolate layer before the chocolate hardens.
  3. Refrigerate for 2-3 hours to let set completely. Carefully remove them from the muffin pan, liner, or silicone pan. Store in an airtight container for up to 5 days for best freshness. Since they’re not baked and use fresh ingredients like maple syrup, store them in the refrigerator over room temperature.
A close up shot of a chocolate peanut butter oat cup being held up.

Recipe FAQ

Can I use almond butter?

Yes, you can use almond butter, sunflower butter, or even cashew butter for these. Any type of nut butter will work fine.

How do I make oat flour?

You can make your own oat flour using rolled oats. Use your food processor to process them on high until the texture is super fine. I prefer to make my own flour using rolled oats because rolled oats are steamed before they’re processed, making them safe to eat raw

Can I use any flour?

Since this is a no bake recipe, you can’t use regular flour unless it’s heat-treated first for food safety. You can sub in any flour that can be eaten raw, like almond flour. Just keep in mind that the texture and taste of the peanut butter mixture will change depending on which flour you use.

Disclaimer: According to most experts, raw oats are safe to eat unlike wheat flour because they are steamed before they’re cut, rolled and flaked. With that being said, be mindful of consuming raw ingredients if you are at increased risk for food borne illness or you have a sensitive stomach. 

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No bake peanut butter oat cups stacked on a wooden board.
5 from 23 votes

No Bake Peanut Butter Oat Cups

A creamy peanut butter oat layer topped with melted chocolate to make a tasty peanut butter chocolate treat that your whole family will love.
Prep: 10 minutes
Servings: 12
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Ingredients 

  • 1.5 cups peanut butter
  • 1.5 cups oat flour, Rolled oats processed finely in a food processor
  • 1/4 cup maple syrup
  • 1 cups chocolate chips
  • 1 tsp coconut oil, optional

Instructions 

  • Add your peanut butter and maple syrup to a medium sized microwave-safe bowl and microwave for 40-60 seconds. Stir thoroughly until peanut butter and maple syrup is completely combined.
  • Next, slowly add the oat flour to the bowl and mix well (it should take some effort to mix!). You can also transfer to a standing mixer to do the work for you. The mixture should be very thick, but easily moldable. If the mixture looks way too dry and crumbly, add more maple syrup or PB (about a teaspoon extra at a time). You can also add 1/4-1/3 cup of pumpkin puree for a much moister cup.
  • Prepare a muffin pan by lining with cupcake liners. Or, use a silicone muffin pan as shown here for the easiest method. Note: These will be difficult to remove from your muffin pan without liners. You can also make them in a mini muffin silicone pan or mini muffin tin with paper liners.
  • Scoop the peanut butter oat mixture evenly into the muffin pan and press down with your fingers.
  • In a microwave-safe small bowl, add chocolate chips and coconut oil. Heat in 30 second increments until chocolate is completely melted and smooth. Stir with a spoon in between microwave sessions.
  • Pour a layer of chocolate into each muffin hole and smooth the top with the back of a spoon. Optional: Sprinkle flaky salt, sprinkles, or mini chocolate chips on top of the chocolate layer before the chocolate hardens.
  • Refrigerate for 2-3 hours to let set completely. Carefully remove them from the muffin pan, liner, or silicone pan. Store in an airtight container for up to 5 days for best freshness. Since they're not baked and use fresh ingredients like maple syrup, store them in the refrigerator over room temperature.

Notes

Disclaimer: According to most experts, raw oats are safe to eat unlike wheat flour because they are steamed before they’re cut, rolled and flaked. With that being said, be mindful of consuming raw ingredients if you are at increased risk for food borne illness or you have a sensitive stomach. 
 
 

Nutrition information is automatically calculated and should only be used as an estimate.

Did you try this recipe?Leave a comment + star rating below!

Hi, I'm Jamie

Iโ€™m a Registered Dietitian of over 10 years and I love creating simple, delicious recipes that leave you feeling good, too. Healthy eating doesnโ€™t have to be complicated! Let me show you with easy healthy recipes and realistic nutrition tips.

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65 Comments

  1. Minte says:

    5 stars
    These are amazing. I make them in a batch in a larger dish, rather than in cups, and cut them into pieces. And I do that a few times a month and keep them in the fridge for when I need a little something ๐Ÿ™‚ I’m a nursing mother and can’t have any dairy, which cuts out a lot of common snacks and desserts, so these, both filling and delicious, really hit the spot!

    1. Jamie N, Registered Dietitian says:

      So smart to make these into bars!! I’m glad you love them ๐Ÿ™‚ thank you for leaving a review!

  2. Catherine B says:

    5 stars
    Thanks for these delicious and charming cups, Jamie! My whole family loves them. They are great pocket snacks (in cold weather) for skiing, hiking, etc.. I have frozen them with success; and substituted 50% molasses when I ran out of maple syrup. Molasses ads a flavor nuance that we really enjoyed, and I will repeat.
    Making batch #3 of the month, today โ€“ this one will be a double batch.

    1. Jamie N, Registered Dietitian says:

      So glad you enjoyed them! They are definitely great travel snacks ๐Ÿ™‚

  3. Kendra says:

    5 stars
    These are delicious and super easy!! I was impatient and put them in my chest freezer for an hour – they set up perfectly. I made a few without chocolate and gave them to my doggos. They also say 5 stars!

    1. Jamie N, Registered Dietitian says:

      Thank you so much for your kind review- I’m so happy you (and doggies) liked them!!

  4. Kristen says:

    I froze them for about 20 min. Perfect. I love peanut butter cups – yum!!

  5. Christina says:

    Would Love to try! Do you have the nutritional profile?

  6. Beth says:

    5 stars
    Delicious fix when you need something sweet!

    1. Jamie N, Registered Dietitian says:

      So happy you enjoyed them! Thank you for leaving a review ๐Ÿ™‚

  7. Trisha says:

    I rolled them in small balls then flattened. My batch made 12 regular size and 12 minis. I have to wait till tomorrow to get some chocolate chips to finish it off. Fingers tasted great!