Mama’s Overnight Oatmeal Cookies

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This amazing and easy dairy-free cookie recipe is from my good friend, Sarah of No Whey, Mama. It was originally posted as a part of a feature article, but I thought her overnight oatmeal cookies recipe deserved it’s own home.

Dairy-Free, Nut-free, Soy-Free Overnight Oatmeal CookiesSpecial Diet Notes: Overnight Oatmeal Cookies

By ingredients, this recipe is dairy-free / non-dairy, optionally gluten-free, nut-free, peanut-free, optionally soy-free, and vegetarian.

Though we haven’t testedย an egg-free version of the overnight oatmeal cookies,ย I believe aquafaba could be a good vegan substitute.

5.0 from 1 reviews
Mama's Dairy-Free Overnight Oatmeal Cookies
 
Prep time
Cook time
Total time
 
Order up some gluten-free oats to make this cookie wheat and gluten-free.
Author:
Ingredients
  • 4 cups quick oats
  • 2 cups light brown sugar
  • 1 cup canola oil
  • 2 eggs, beaten
  • 1 teaspoon salt
  • 1 teaspoon vanilla extract
Instructions
  1. The night before you bake, mix up the oats, brown sugar, and oil in a large bowl.
  2. The next morning, preheat your oven to 325ยบF and mix the eggs, salt, and vanilla into your oat mixture.
  3. Drop the dough from a teaspoon onto a greased baking sheet.
  4. Bake for 15 minutes and remove promptly from the oven.
  5. Let cool just 1-2 minutes on the cookie sheet, then remove to a cooling rack.
Notes
If you want to be extra fancy, melt some dairy-free chocolate chips and dip the cooled cookies into the melted chocolate. Let harden on wax paper.

About Author

Alisa is the founder of GoDairyFree.org, Senior Editor for Allergic Living magazine, and author of the best-selling dairy-free book, Go Dairy Free: The Guide and Cookbook for Milk Allergies, Lactose Intolerance, and Casein-Free Living. Alisa is also a professional recipe creator and product ambassador for the natural food industry.

25 Comments

  1. These were so easy & delish! Combined it with a smoothie and enjoyed for breakfast. I cut half the sweetener, and added a lil’ pumpkin pie spice. ๐Ÿ™‚

  2. We have made a similar recipe as part of our annual Christmas cookies for as long as I can remember. They are simple yet delicious. I usually add a bit of lemon zest with the oats/oil/sugar mixture.

  3. My “dough” isn’t dough at all. Its more of a wet oat mixture. Nothing dough-y about it. Also you don’t specify to leave oat/oil/brown sugar mixture on counter or in fridge overnight

    • Hi, Kimberly,

      Yes, this flour-less batter is indeed a loose oatmeal mixture rather than a sticky ‘dough.’
      Perfect for drop cookies!
      I usually leave the overnight mixture out on the counter as I find the oats absorb the oil better that way, but refrigerating it is fine too.
      Enjoy!

    • Karen, there is always a way! Though it may require some experimentation. You could use egg replacer, flax “eggs,” or 1/3 to 1/2 cup applesauce or mashed banana in place of the egg. Some other adjustments may be needed though. I find that oil-based, egg-free baked goodies often need the oil reduced a bit.

  4. I’m going dairy free for my little sweet pea’s benefit, but still crave delicious sweets…thanks for a great cookie recipe! Usually I sub applesauce for oil to make it healthier. Have you tried this, or do you think it would work out – to mix it and let it soak out overnight with the oats?

    • Liz, replacing all of the fat with oil typically makes cookies gummy. If this is something you are used to and like though, then it might work fine for you. Personally, if I wanted to lower the fat the most I would sub would be 1/2 to 2/3 of the oil. Keep in mind that applesauce will also change the texture.

  5. Rebecca Kossler on

    So, flax eggs work, however the cookies spread and become one big thin cookie. Made the second batch by putting them in a cup cake pan to control the spreading and they turned out rather nicely. My little boy thinks they are a winner!

  6. Thanks – i figured it was something like that. I tend to be a little impatient with things so understanding the “why’s” helps me be more patient ๐Ÿ™‚

  7. What is the purpose behind mixing some of the ingredients the night before? BTW – thanks for posting this recipes. Our family has milk allergies and gluten issues so finding tasty treats like this is very nice.

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