Chewy Vegan Old-Fashioned Iced Oatmeal Cookies

There’s something truly magical about a classic cookie, isn’t there? The kind that transports you straight back to childhood, with flavors that whisper of simpler times. My Vegan Old-Fashioned Iced Oatmeal Cookies are exactly that — a delightful journey for your tastebuds, offering a perfectly chewy texture, warm spice, and a sweet, delicate icing that makes every bite a comforting embrace. They embody everything I love about baking: wholesome ingredients transformed into something extraordinary.

I remember countless afternoons in my grandmother’s kitchen, the air thick with the scent of cinnamon and nutmeg as her oatmeal cookies baked. Years later, inspired by those cherished memories and a desire to create a plant-based version that truly honored the original, I experimented tirelessly. It was a journey of trial and error, but the joy of finally perfecting these vegan gems was simply incomparable.

These cookies are not only incredibly easy to bake, making them perfect for busy weeknights, but they’re also a guaranteed crowd-pleaser for any family gathering. My top tip? Don’t rush the chilling process; it’s the secret to that wonderfully chewy texture we all adore in a proper Vegan Old-Fashioned Iced Oatmeal Cookies.

What You Need to Make This Recipe

Crafting these delightful cookies begins with a few pantry staples. We rely on the magic of ground flaxseed meal and water to create our “flax egg,” ensuring a perfect bind, while vegan butter and a blend of brown and granulated sugars create that wonderfully rich, chewy base. A splash of unsweetened plant milk and vanilla extract round out the liquid ingredients, infusing our Vegan Old-Fashioned Iced Oatmeal Cookies with comforting flavor. You’ll find the full list of measurements and ingredients in the recipe card below.

How to Make Vegan Old-Fashioned Iced Oatmeal Cookies

Whipping up a batch of these glorious Vegan Old-Fashioned Iced Oatmeal Cookies is a truly rewarding experience, and it’s simpler than you might think! We’ll start by preparing our flax egg, then creaming together the vegan butter and sugars until light and fluffy. After incorporating the plant milk and vanilla, we’ll gently fold in our dry ingredients, including plenty of old-fashioned rolled oats, creating a dough that’s just begging to be baked. Once baked to golden perfection, the final touch is a quick, sweet icing that sets these cookies apart, turning them into a truly irresistible treat.

A tall stack of freshly baked iced oatmeal cookies on a wire cooling rack, topped with a sweet vanilla glaze.

Vegan Old-Fashioned Iced Oatmeal Cookies

These delightful Vegan Old-Fashioned Iced Oatmeal Cookies are chewy, spiced, and topped with a sweet, classic vanilla glaze. A comforting treat that’s entirely plant-based and incredibly satisfying.
Prep Time 55 minutes
Cook Time 25 minutes
Total Time 1 hour 20 minutes
Servings: 24 cookies
Course: Dessert, Snack
Cuisine: American
Calories: 170

Ingredients
  

For the Cookies
  • 1 tbsp ground flaxseed meal
  • 3 tbsp water for flax egg
  • 1/2 cup vegan butter softened (1 stick)
  • 1/2 cup packed light brown sugar
  • 1/4 cup granulated sugar
  • 1/4 cup unsweetened plant milk e.g., almond, soy, or oat milk
  • 1 tsp vanilla extract
  • 1 cup all-purpose flour
  • 1 1/2 cups old-fashioned rolled oats do not use instant or quick oats
  • 1 tsp baking soda
  • 1 tsp ground cinnamon
  • 1/2 tsp ground nutmeg
  • 1/4 tsp salt
For the Icing
  • 1 cup powdered sugar sifted
  • 2-3 tbsp unsweetened plant milk
  • 1/4 tsp vanilla extract optional

Equipment

  • Large Mixing Bowl
  • Electric Mixer
  • Measuring Cups
  • Measuring Spoons
  • Whisk
  • Rubber Spatula
  • Baking sheets
  • Parchment Paper
  • Wire cooling rack
  • Small Bowl

Method
 

Prepare the Cookies
  1. First, prepare the flax egg: In a small bowl, combine 1 tbsp ground flaxseed meal with 3 tbsp water. Stir well and let it sit for at least 5 minutes to thicken. It should have a gel-like consistency.
  2. In a large mixing bowl, using an electric mixer, cream together the softened vegan butter, light brown sugar, and granulated sugar on medium speed until light and fluffy (about 2-3 minutes).
  3. Add the prepared flax egg, 1/4 cup plant milk, and 1 tsp vanilla extract to the creamed butter mixture. Beat on low speed until just combined, scraping down the sides of the bowl as needed.
  4. In a separate medium bowl, whisk together the all-purpose flour, old-fashioned rolled oats, baking soda, ground cinnamon, ground nutmeg, and salt.
  5. Gradually add the dry ingredients to the wet ingredients, mixing on low speed until just combined. Be careful not to overmix; overmixing can lead to tough cookies. The dough will be thick.
  6. Cover the bowl with plastic wrap and chill the dough in the refrigerator for at least 30 minutes, or up to 1 hour. This helps prevent spreading and deepens the flavors.
  7. Preheat your oven to 350°F (175°C). Line two baking sheets with parchment paper or silicone baking mats.
  8. Scoop rounded tablespoons of dough (about 1.5 inches in diameter) onto the prepared baking sheets, leaving about 2 inches between each cookie.
  9. Bake for 10-12 minutes, or until the edges are lightly golden and the centers are set. The cookies will be soft when they first come out of the oven. Do not overbake.
  10. Let the cookies cool on the baking sheets for 5 minutes before transferring them to a wire rack to cool completely. They must be completely cool before icing.
Prepare the Icing
  1. While the cookies are cooling, prepare the icing. In a small bowl, whisk together the sifted powdered sugar, 2 tablespoons of plant milk, and optional 1/4 tsp vanilla extract until smooth. The consistency should be pourable but thick enough to coat a spoon. Add more plant milk, a teaspoon at a time, if the icing is too thick, or more powdered sugar if it’s too thin.
  2. Once the cookies are completely cool, dip the top of each cookie into the icing, or use a spoon to drizzle and spread the icing over the tops. Place the iced cookies back on the wire rack over parchment paper (to catch drips) and let the icing set for about 15-30 minutes, or until hardened.

Notes

For best results, ensure your vegan butter is softened but not melted. Chilling the dough is crucial for preventing the cookies from spreading too much and achieving a chewier texture. Store leftover cookies in an airtight container at room temperature for up to 3-4 days.

Pro Tips for Making This Vegan Old-Fashioned Iced Oatmeal Cookies

Baking is all about finding those little tricks that make a big difference, and I’ve gathered a few over the years that I just have to share to ensure your Vegan Old-Fashioned Iced Oatmeal Cookies turn out perfectly every time.

My Secret Trick: I always make sure to use old-fashioned rolled oats, not quick oats. The larger flakes give these cookies their signature chewiness and texture, making them feel truly substantial and satisfying. It’s a small detail, but it makes all the difference!

For that irresistible chew, don’t overbake! These cookies should be just lightly golden brown around the edges, and still a little soft in the center when you pull them from the oven. They’ll firm up as they cool on the baking sheet.

Chilling the dough is an absolute must for these Vegan Old-Fashioned Iced Oatmeal Cookies. I recommend at least 30 minutes, but if you have the time, an hour makes them even better. This helps prevent spreading and deepens the flavors, ensuring your cookies hold their shape beautifully.

When it comes to the icing, consistency is key! If it’s too thick, add a tiny splash more plant milk; if it’s too thin, a touch more powdered sugar. You want a smooth, pourable icing that will set nicely without being too runny.

Fun Variations for Vegan Old-Fashioned Iced Oatmeal Cookies

One of the joys of home baking is making a recipe truly your own! While these Vegan Old-Fashioned Iced Oatmeal Cookies are perfect as is, here are a few ideas to spark your creativity and add a delightful twist.

Spice It Up

My friend always asks me to add a pinch of ground ginger or a dash of allspice to her batch. These warming spices beautifully complement the cinnamon and nutmeg, giving the cookies an extra layer of cozy flavor. It’s a wonderful way to tailor the taste to your preference!

A Fruity Touch

Consider folding in about half a cup of finely diced dried apples or raisins into the dough along with the oats. The fruit adds a lovely chewiness and a burst of natural sweetness that pairs wonderfully with the oatmeal. My sister loves when I do this for her!

Nutty Delight

If you’re a fan of nuts, try adding about a quarter cup of finely chopped walnuts or pecans to the dough. Toast them lightly beforehand to bring out their rich, earthy flavor, which provides a fantastic textural contrast to the soft cookies.

What to Serve With Vegan Old-Fashioned Iced Oatmeal Cookies

These delightful Vegan Old-Fashioned Iced Oatmeal Cookies are fantastic on their own, but a little something extra can turn them into a truly memorable dessert experience. Here are a few ways I love to serve them:

A tall, frosty glass of unsweetened plant milk is always a classic pairing. There’s something so comforting about dipping a chewy cookie into cold milk – it’s a timeless combination that always hits the spot.

For a more indulgent treat, try them alongside a scoop of your favorite vegan vanilla ice cream. The creamy coldness beautifully contrasts with the warm spices and chewy texture of the cookie. My mom always pairs them with hot cocoa in winter, a truly heartwarming combination!

They also make a wonderful accompaniment to a freshly brewed cup of coffee or a comforting herbal tea, especially in the afternoon. It’s a simple pleasure that feels like a warm hug.

How to Store Vegan Old-Fashioned Iced Oatmeal Cookies

Keeping your homemade Vegan Old-Fashioned Iced Oatmeal Cookies fresh and delicious is key to enjoying them for days to come. Here are my tried-and-true tips:

Room Temperature Storage

Once completely cooled, store your iced oatmeal cookies in an airtight container at room temperature for up to 3-4 days. I like to place a piece of parchment paper between layers if stacking to prevent the icing from sticking.

Freezing for Later

You can freeze these cookies, both baked and unbaked! For baked cookies, flash freeze them on a baking sheet until solid, then transfer them to an airtight freezer-safe bag or container for up to 2-3 months. Thaw at room temperature when ready to enjoy.

Reheating Tips

If you find your Vegan Old-Fashioned Iced Oatmeal Cookies have lost a bit of their tenderness, a quick 5-minute warm-up in a preheated oven at 275°F (135°C) can bring them back to life. Just be careful not to overbake, especially with the icing!

Nutritional Benefits

While we all love a good dessert, it’s wonderful when treats can offer a little something extra. These Vegan Old-Fashioned Iced Oatmeal Cookies benefit from the wholesome goodness of oats, which are a great source of fiber, helping to keep you feeling satisfied. Plus, using plant-based ingredients often means less saturated fat, creating a treat that’s both satisfying and a touch more nourishing, embodying my philosophy of joyful indulgence.

FAQs

Can I make these cookies gluten-free?

Yes, you can! Simply substitute the all-purpose flour with a 1:1 gluten-free baking flour blend that contains xanthan gum. Ensure your old-fashioned rolled oats are certified gluten-free as well to make your Vegan Old-Fashioned Iced Oatmeal Cookies entirely gluten-free.

How do I prevent the cookies from spreading too much?

Chilling the dough for at least 30 minutes, or even an hour, is crucial. This helps solidify the vegan butter, preventing the cookies from spreading excessively in the oven and maintaining that perfect shape for your Vegan Old-Fashioned Iced Oatmeal Cookies.

Can I use quick oats instead of old-fashioned rolled oats?

While you can, I don’t recommend it. Quick oats absorb liquid differently and will result in a less chewy, more cake-like texture. For that classic, hearty chew in your Vegan Old-Fashioned Iced Oatmeal Cookies, stick with old-fashioned rolled oats.

How long does the icing take to set?

The icing usually takes about 30-60 minutes to set firm enough to stack, depending on your kitchen’s humidity. For best results, let your Vegan Old-Fashioned Iced Oatmeal Cookies dry uncovered for an hour or so before storing them in an airtight container.

Conclusion

There’s nothing quite like the warmth and comfort of a homemade cookie, and I truly hope these Vegan Old-Fashioned Iced Oatmeal Cookies bring a little extra sweetness and joy into your home. They are a testament to how simple ingredients, combined with a touch of love, can create magical treats that gather people together and build cherished memories. So go on, roll up your sleeves, embrace the delightful aroma of cinnamon and nutmeg, and create your own batch of these wonderfully chewy, perfectly spiced, and delightfully iced cookies. Happy baking, my friends!

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