These flourless oatmeal cookies are super easy and delicious! They take only 15 minutes total. These flourless cookies are made in one mixing bowl and require only pantry staple ingredients. They are healthy enough for breakfast, but sweet enough for dessert!

Flourless oatmeal cookies.

Why You’ll Love This Recipe

  • These flourless oatmeal cookies are quick and easy.
  • Only one mixing bowl.
  • No dough chilling required.
  • Only 7 pantry staple ingredients needed.
  • They are soft baked and gooey.
  • They are made without added sugar, without butter and without oil.
  • Each cookie contains 8 grams of protein.
  • The peanut butter chocolate combination is so delicious!
  • These cookies are gluten free, dairy free, and refined sugar free.
  • Be sure to use certified gluten free oats.
  • Check out these Banana Oatmeal Peanut Butter Cookies for another sweet treat!

Ingredients & Substitutions

These are the main ingredients and substitutions for flourless oatmeal cookies. Scroll down to the recipe card for full ingredients list and instructions.

Use all natural creamy peanut butter. The only ingredients should be peanuts and salt. Do not use a variety with added sugars or oils.

Two eggs help bind these cookies together. For a Vegan option, make these Vegan Peanut Butter Oatmeal Cookies.

A little vanilla extract adds extra flavor.

Pure maple syrup adds sweetness. Feel free to use honey.

The oats provide the substance. Use rolled oats instead of quick oats. Use certified gluten free oats.

Baking powder helps leaven the cookies.

Lastly, chocolate chips add the best flavor! Use any type of chocolate chips. To keep these dairy free, use dairy free chocolate chips.

Oatmeal, eggs and other ingredients.

Taste & Texture

These flourless oatmeal cookies taste like peanut butter, oats and chocolate. No surprises.

These cookies are gooey and soft baked. They are not chewy or dry.

How to Make

Step 1

First, preheat oven to 350 degrees Fahrenheit. Line a pan with parchment paper.

Step 2

In a large mixing bowl, add creamy peanut butter, eggs, vanilla and maple syrup. Stir to combine.

Bowl of peanut butter batter.

Step 3

Then, add in oats and baking powder. Stir to combine.

Oats and nut butter in bowl.

Step 4

Fold in chocolate chips.

Chocolate chip oatmeal dough.

Step 5

Use a spoon to scoop balls of dough onto parchment paper.

Six oatmeal cookies on pan.

Step 6

Next, bake for 8 to 9 minutes.

Baked flourless cookies.

Step 7

Finally, remove flourless oatmeal cookies from oven. Allow cookies to cool on pan for 5 minutes. Lastly, transfer to a wire rack.

Expert Tips & Tricks

Carefully measure all ingredients.

Use all natural creamy peanut butter.

Use rolled oats instead of quick oats. Be sure to use certified gluten free oats.

The cookie dough will be pretty thick. Be sure to mix thoroughly.

Use a spoon to scoop balls of dough onto pan. The dough is slightly sticky.

Any type of chocolate chips work.

Do not over bake. Bake only until cookies look gooey and barely set in the middle.

Stack of flourless oatmeal cookies.

Flavor Variations & Add Ins

Consider adding these ingredients to the flourless oatmeal cookies.

Add in chopped walnuts.

Use mini chocolate chips.

Add in chopped pecans.

Use almond butter or cashew butter.

Add in white chocolate chips.

Add in a pinch of cinnamon.

Use dried cranberries.

Use raisins.

How to Serve & Store

Serve flourless oatmeal cookies once slightly cooled from the oven. They are not overly fragile.

Serve with a glass of milk or cup of coffee. Or, serve with hot chocolate.

These cookies are great by themselves or with peanut butter on top!

Store cookies covered at room temperature for up to 3 days.

Chill for up to 5 days.

Frequently Asked Questions

Can I substitute peanut butter for butter in oatmeal cookies?

No, peanut butter and regular butter are not substitutes for each other.

Are oatmeal cookies healthier than regular cookies?

Oatmeal cookies are not necessarily healthier than regular cookies.

What makes cookies crispy or soft?

These cookies are fairly soft. They do not contain flour or granulated sugar, which typically help make cookies crispy.

Are they gluten free?

Use gluten free oats to ensure they are gluten free.

What are flourless cookies made of?

These flourless cookies are made of oats and peanut butter.

Gooey cookies with oatmeal.

You May Also Like

If you make this flourless oatmeal cookie recipe, I would really appreciate a review! You can find me on InstagramFacebook, and Pinterest. I would love for you to follow along!  For more ideas, check out these Dessert Recipes.

Flourless oatmeal cookies.

Get the Recipe: Flourless Oatmeal Cookies

These flourless oatmeal cookies are gooey, soft and so flavorful! This quick and easy recipe takes only 15 minutes from start to finish. These healthier cookies are gluten free, dairy free, and refined sugar free.
5 from 9 votes

Ingredients

Instructions 

  • First, preheat oven to 350 degrees Fahrenheit. Line a baking pan with parchment paper.
  • In a large mixing bowl, add creamy peanut butter, eggs, vanilla and maple syrup. Stir to combine.
  • Then, add in oats and baking powder. Stir to combine.
  • Fold in chocolate chips.
  • Use a spoon to scoop balls of dough onto parchment paper. Dough should make about 10 cookies.
  • Next, bake for 8 to 9 minutes.
  • Finally, remove from oven. Allow cookies to cool on pan for 5 minutes. Lastly, transfer to a cooling rack.

Notes

  • Use all natural creamy peanut butter made from only peanuts and salt.  Do not use brands with added sugars or oils.
  • Substitute honey for maple syrup if needed.
  • Use rolled oats, not quick oats.  To ensure this recipe is gluten free, use certified gluten free oats.
  • Any chocolate chips work.  I used refined sugar free Hu Kitchen.
  • This cookie dough is a little sticky.  Use a spoon to scoop out balls of dough.
  • Bake until cookies are still gooey in the middle.
  • Store cookies covered at room temperature for up to 3 days.
  • These cookies taste delicious straight from the fridge.
Calories: 305kcal, Carbohydrates: 30g, Protein: 8g, Fat: 19g, Saturated Fat: 6g, Polyunsaturated Fat: 4g, Monounsaturated Fat: 7g, Trans Fat: 0.003g, Cholesterol: 33mg, Sodium: 157mg, Potassium: 224mg, Fiber: 3g, Sugar: 13g, Vitamin A: 48IU, Calcium: 57mg, Iron: 2mg

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