No Bake Chocolate Oat Cookies with Peanut Butter

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These no-bake chocolate oat cookies are a quick and simple treat that comes together with pantry staples. Made with rich cocoa, creamy peanut butter, and hearty oats, they’re the perfect combination of chewy and chocolatey. No oven is needed, just a pot and a little patience while they set!

Chocolate oat cookies on a plate.

No-bake chocolate oat cookies are a classic for a reason – they’re quick to make, use simple ingredients, and require no baking.

I grew up eating these cookies every Christmas season (along with giant bowls of Chex mix) and somehow I tend to save them for baking during December. They’re so easy to make though and don’t have a particularly festive flavor, so I may have to bump these up the list to be a year-round cookie!

The rich chocolate flavor comes from cocoa powder, balanced with the creamy saltiness of peanut butter, while the oats add a chewy texture that makes these cookies satisfying and wholesome.

Chocolate oat cookies on a plate.

These cookies freeze well and if you don’t feel like making drop cookies, I’ve also frozen this mixture in a 9×9 pan like granola bars. Just cut into squares to serve.

The most important step is boiling the mixture just right to achieve that perfect consistency – chewy and set without crumbling or staying sticky.

Ingredients

See the recipe card for exact amounts.

Ingredients for cookies labeled oats, butter, salt, peanut butter, sugar, milk, and cocoa powder.
  • sugar: this provides the sweetness and helps the cookies set properly when boiled with the other ingredients.
  • butter: use unsalted butter for better control over the saltiness.
  • cocoa powder: for deep, chocolatey flavor.
  • milk: I use 2% milk.
  • rolled oats: the base ingredient that gives these cookies their structure and chewiness. Old-fashioned rolled oats are perfect; avoid quick oats, which can make the cookies too soft.
  • peanut butter: adds a creamy texture and pairs perfectly with chocolate.
  • salt: enhances the chocolate and peanut butter flavors while balancing the sweetness of the sugar.

Substitutions

  • peanut butter: I haven’t tested this with almond butter or cashew butter but I think they’d be good alternatives to peanut butter.
Chocolate oat cookies stacked on a counter.

Cooking Tip

Make sure to allow the mixture to boil for exactly one minute for the best texture.

Instructions

Prep Tips

  • You’ll need a large pot to fit all of the ingredients.
  • The cookies will sit at room temperature for about an hour to set.
Butter, cookies, powder, sugar, and milk whisked in a pot.
  1. Combine the milk, sugar, cocoa powder, and butter in a large pot.
A chocolatey mix is whisked in a pot.
  1. Bring to a boil while whisking.
A chocolatey mix boils in a pot.
  1. Allow the mixture to boil for exactly 1 minute.
Peanut butter is whisked into a chocolatey mix.
  1. Remove from the heat and stir in the peanut butter and salt.
Chocolatey oats are stirred in a pot.
  1. Add the oats and mix well.
Oat cookies are dropped onto parchment paper using two spoons.
  1. Drop cookies by the tablespoon onto parchment paper and allow to set for about an hour.

I let the cookies set at room temperature but you can also put them in the fridge.

Chocolate oat cookies on a plate.

Tips for making no bake oat cookies

  • Boil for exactly one minute. Timing is crucial. Underboiling will result in cookies that don’t set, while overboiling can make them dry and crumbly. Use a timer to ensure accuracy.
  • Old-fashioned rolled oats provide the best texture. Quick oats can make the cookies mushy, and steel-cut oats won’t soften enough for this no-bake method.
  • Drop the cookies onto parchment paper or a silicone mat to prevent sticking. This makes cleanup easy too.

More Cookie Recipes

Storage

Store the cookie at room temperature or in the fridge for 5-6 days. These cookies also freeze well! Freeze for up to three months and thaw overnight in the fridge.

Chocolate oat cookies on a plate.

FAQs

Why didn’t my no-bake chocolate oat cookies set properly?

If your cookies are too soft and haven’t set after cooling, it’s likely the mixture didn’t boil long enough. Alternatively, overboiling can lead to dry, crumbly cookies. It’s very important to boil the mixture for exactly one minute once it comes to a boil.

Chocolate oat cookies on a plate.
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No Bake Chocolate Oat Cookies

Prep Time: 5 minutes
Cook Time: 1 minute
Setting Time: 1 hour
Total Time: 1 hour 6 minutes
Servings: 48 cookies
Quick and easy no bake cookies with the classic combo of peanut butter and chocolate.

Ingredients
 
 

Instructions

  • Combine the sugar, butter, cocoa, and milk in a large pot over medium heat.
  • Bring to a boil and keep at a boil for 1 minute.
  • Remove from heat and add the peanut butter and salt. Mix well and then add the oats.
  • Stir to combine.
  • Drop by the tablespoon onto parchment paper, using two spoons.
  • Let sit until cooled and set, about an hour.

Video

Notes

These cookies freeze well.
Boiling for one minute is pretty important. If you boil for less, the cookies are too soft and won’t set. If you boil for longer, the mixture dries out and the cookies crumble.

Nutrition

Calories: 140kcal | Carbohydrates: 21g | Protein: 3g | Fat: 6g | Fiber: 1g | Sugar: 14g | Calcium: 14mg | Iron: 1mg

Nutritional information is an estimate. Values vary based on products used. Read our full Nutrition Disclaimer.

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Chocolate oat cookies on a counter with the text no bake peanut butter chocolate oat cookies.

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