Eggnog Oatmeal Cookies are the quintessential treat for the festive season, infusing every bite with the rich, creamy flavor of traditional eggnog. These soft, chewy cookies are elevated by a delightful eggnog glaze, making them an irresistible addition to any holiday gathering or cookie platter. If you’re searching for an easy-to-make cookie that truly embodies the spirit of Christmas, look no further than this fantastic recipe.

There’s something truly magical about the holidays, and these Eggnog Oatmeal Cookies capture that festive essence perfectly. We adore the distinctive flavor of eggnog, and when combined with the comforting texture of oatmeal in a cookie, it creates a dessert that’s simply divine. These cookies are remarkably soft and wonderfully chewy, a testament to a well-crafted recipe. Their straightforward preparation makes them an ideal candidate for holiday goody plates, potlucks, and festive parties. Even those who aren’t typically avid eggnog drinkers often find themselves charmed by the subtle, warm notes in these delicious treats.
Indulge in the Festive Flavor of Eggnog Oatmeal Cookies
Our Eggnog Oatmeal Cookies stand out because they incorporate eggnog not just into the cookie dough itself, but also into the luscious glaze drizzled on top. This dual infusion ensures a rich, unmistakable eggnog flavor throughout. Enhanced with aromatic vanilla and a sprinkle of warm nutmeg, these cookies truly taste like Christmas in every bite. The oatmeal cookie base is known for being moist and delightfully chewy, providing the perfect canvas for these festive flavors. Don’t be surprised if these become a new holiday favorite, even among those who claim not to love eggnog!

Achieving Perfection: Tips for Making the Best Eggnog Oatmeal Cookies
Crafting flawless Eggnog Oatmeal Cookies is surprisingly simple when you follow a few key tips. These pointers will help you achieve beautifully shaped, perfectly textured cookies every time, ensuring your holiday baking is a resounding success:
- **Combine Dry Ingredients Separately:** Many cookie recipes, including this one, benefit from mixing the dry ingredients (flour, oats, salt, baking soda, nutmeg) in a separate bowl before adding them to the wet ingredients. This crucial step ensures that the leavening agent and spices are evenly distributed throughout the dough, leading to a consistent rise and flavor in every cookie.
- **Preheat Your Oven Thoroughly:** A properly preheated oven is fundamental for successful baking. Placing cookie dough into a cold or partially heated oven can result in uneven baking, causing cookies to spread too much or not cook through properly. Always allow your oven to reach the specified temperature fully before you begin baking.
- **Utilize a Cookie Scoop:** For uniform cookies that bake evenly and look professional, a cookie scoop is an indispensable tool. It ensures each cookie is the same size, preventing some from burning while others remain underbaked. Plus, it makes portioning dough quick and mess-free.
- **Line Your Baking Sheets:** To prevent sticking and ensure easy removal, always line your cookie sheets with parchment paper or a silicone baking mat. This also aids in consistent baking and makes cleanup significantly simpler, as your cookies will effortlessly slide off the pan.
- **Avoid Overbaking:** This is perhaps the most important tip for soft and chewy cookies. When you remove your Eggnog Oatmeal Cookies from the oven, they should still look slightly underbaked in the center, with edges just beginning to turn golden brown. They will continue to cook and set on the hot cookie sheet for a few minutes after being removed, resulting in that perfect soft and chewy texture. Overbaked cookies will be dry and crumbly.
- **Room Temperature Ingredients:** Ensure your egg, eggnog, and shortening are at room temperature. This allows them to cream together more easily and create a smoother, more emulsified batter, which contributes to a better cookie texture.
- **Measure Flour Correctly:** Spoon your flour into the measuring cup and level it off with a straight edge rather than scooping directly from the bag. This prevents compacting the flour, which can lead to a dense, dry cookie.

Essential Ingredients for Perfect Eggnog Oatmeal Cookies
The magic of these festive cookies lies in a thoughtful combination of ingredients. Each component plays a crucial role in achieving their irresistible flavor and texture:
Sugars: This recipe calls for both brown sugar and granulated sugar. Brown sugar contributes to the cookies’ signature chewiness and adds depth of flavor with its molasses content, while granulated sugar ensures a delightful sweetness and helps with a crisp edge. For the best results, always use fresh, soft brown sugar.
Shortening: You have the option of using regular shortening or butter-flavored shortening. Shortening helps create a tender crumb and prevents excessive spreading during baking, yielding a softer cookie. While butter can be substituted, be aware that your cookies may spread a bit more, potentially altering their shape and thickness. Choose based on your preferred texture.
Egg: A single large egg acts as a binder, holding all the ingredients together and contributing to the cookie’s structure and moisture. It also helps with leavening, giving the cookies a slight lift.
Eggnog: The star ingredient! Use your favorite brand or variety of eggnog to infuse the cookies with its distinct holiday flavor. The quality of your eggnog will subtly influence the final taste, so pick one you enjoy.
Vanilla Extract: A staple in most cookie recipes, vanilla extract enhances all the other flavors. Opt for a high-quality pure vanilla extract for the most impactful aroma and taste.
Eggnog Extract: This ingredient truly amplifies the eggnog flavor, giving the cookies an intense, authentic taste. While it can sometimes be a little challenging to find (eggnog extract is often available online or in specialty baking stores during the holidays), it makes a significant difference. If you can’t find it, don’t worry, the cookies will still be delicious with just vanilla.
Nutmeg: Ground nutmeg is the classic pairing with eggnog, adding a warm, spicy undertone that complements the creamy flavor. Just a quarter teaspoon is enough to make an impact. You can also experiment by adding a touch of cinnamon or swapping nutmeg for cinnamon entirely if you prefer.
Oats: Old-fashioned rolled oats are preferred for their hearty texture and chewiness, contributing to the “oatmeal” in Eggnog Oatmeal Cookies. However, quick oats can be used for a slightly denser, puffier cookie. A combination of both also works wonderfully, offering a balance of textures.
Flour: All-purpose flour provides the necessary structure for the cookies. If you prefer, wheat flour can be used, but it will result in a denser cookie with a slightly different consistency. Both options yield delicious results.
Salt: A small amount of salt is vital in baking. It balances the sweetness, intensifies the other flavors, and can even enhance the overall aroma of your cookies.
Baking Soda: This acts as the primary leavening agent, creating a tender, slightly raised cookie. For optimal results, ensure your baking soda is fresh and not expired.
Decadent Eggnog Icing
The finishing touch for these cookies is a simple yet incredibly flavorful eggnog icing:
Powdered Sugar: The base of the icing, powdered sugar (also known as confectioners’ sugar) provides sweetness and a smooth, creamy texture essential for a perfect glaze.
Eggnog: Used as the liquid component, eggnog infuses the icing with even more holiday flavor. Adjust the amount slightly to achieve your desired consistency – whether you prefer a thick drizzle or a thinner glaze.
Eggnog Extract: Just like in the cookies, eggnog extract in the icing will boost the overall eggnog flavor. If you’re looking for a milder taste or can’t find the extract, vanilla extract makes an excellent substitute.

Step-by-Step Guide: How to Make Eggnog Oatmeal Cookies
Ready to bake? Follow these simple instructions to create your own batch of festive Eggnog Oatmeal Cookies:
Preheat your oven to 350° F (175° C). This ensures the oven is at the correct temperature for even baking from the moment your cookies go in.
MAKE THE COOKIE DOUGH

In a large mixing bowl, combine the brown sugar, shortening, and granulated sugar. Using a hand mixer, beat these ingredients together for 2-3 minutes until the mixture is light, fluffy, and well-creamed. This creaming process incorporates air, which contributes to the cookies’ soft texture. Next, add the egg, eggnog, vanilla extract, and eggnog extract (if using). Continue beating for another 2-3 minutes, scraping down the sides of the bowl as needed, until all the wet ingredients are thoroughly combined and smooth.

In a separate, medium-sized bowl, whisk together the dry ingredients: old-fashioned oats, all-purpose flour, salt, and baking soda. Mixing them separately ensures they are evenly distributed before being introduced to the wet ingredients. Gradually add these dry ingredients to the wet mixture, mixing on low speed with the hand mixer or by hand until just combined. Be careful not to overmix the dough, as this can lead to tough cookies.

BAKE THE COOKIES
Using a cookie scoop or two rounded teaspoons, drop the cookie dough onto cookie sheets that have been lined with parchment paper or silicone baking mats. Leave about 2 inches between each cookie to allow for spreading. This ensures even baking and prevents them from melding together.
Bake the cookies for 12 to 15 minutes, or until the edges are lightly golden brown and the centers still look slightly soft. The cookies will continue to set as they cool. Once out of the oven, let them cool on the cookie sheet for about 5 minutes before carefully transferring them to a wire rack to cool completely. Cooling on the rack allows air circulation, preventing soggy bottoms.
PREPARE THE EGGNOG ICING

Once the cookies are completely cooled, it’s time to make the delicious eggnog icing. In a medium bowl, combine the powdered sugar, eggnog, and eggnog extract. Whisk vigorously until all lumps have disappeared and you have a smooth, pourable glaze. If the icing is too thick, add a tiny bit more eggnog; if it’s too thin, add a little more powdered sugar until you reach your desired consistency. Spoon or drizzle the festive icing over the tops of the cooled Eggnog Oatmeal Cookies. Let the icing set before storing.


Eggnog Oatmeal Cookies
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Ingredients
- 1 cup firmly packed brown sugar
- ½ cup granulated sugar
- ¾ cup shortening
- 1 egg
- ¼ cup eggnog
- 1 teaspoon vanilla extract
- 1 teaspoon eggnog extract
- ¼ teaspoon ground nutmeg
- 3 cups old-fashioned rolled oats
- 1 cup all purpose flour
- 1 teaspoon salt
- ½ teaspoon baking soda
EGGNOG ICING
- 1 cup powdered sugar
- 1½ tablespoons eggnog
- ¼ teaspoon eggnog extract or vanilla, if you can’t find it
Instructions
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Preheat oven to 350° F (175° C).
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MAKE COOKIE DOUGH: In a large bowl, use a hand mixer to beat the brown sugar, shortening and granulated sugar together for 2-3 minutes until light and fluffy. Add egg, eggnog, vanilla extract and eggnog extract and beat for another 2-3 minutes until well combined.
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In a medium bowl, combine oats, flour, salt, and baking soda, and mix well with a whisk. Add the dry ingredients to the wet ingredients, and mix until just combined, being careful not to overmix.
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BAKE COOKIES: Drop dough by rounded teaspoonfuls (or using a cookie scoop) onto cookie sheets lined with parchment paper or silicone baking mats, leaving about 2 inches between cookies.
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Bake for 12 to 15 minutes, or until the edges are golden brown and the centers still look slightly soft. Let them cool on the cookie sheet for about 5 minutes before transferring to a wire rack to cool completely.
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MAKE ICING: Once cookies have cooled completely, prepare the icing. Place powdered sugar, eggnog, and eggnog extract in a medium bowl and mix well until all lumps have disappeared and the icing is smooth. Spoon or drizzle icing over the top of the cooled cookies.
Nutrition

Do I Have to Use Eggnog Extract?
While we highly recommend incorporating eggnog extract into both the cookies and the glaze for an intensely authentic and pronounced eggnog flavor, it’s not strictly mandatory. If you can’t find eggnog extract, you can certainly use an equal amount of vanilla extract as a substitute. The cookies will still have a delightful, milder eggnog flavor thanks to the actual eggnog in the dough, but the extract truly boosts that festive essence. Don’t let the absence of extract deter you from trying this wonderful recipe!
Which Type of Oats is Best for Oatmeal Cookies?
The choice between quick oats and old-fashioned rolled oats for your oatmeal cookies largely comes down to personal preference and the texture you desire. In this particular recipe, we’ve used old-fashioned oats because they impart a heartier, chewier texture, making the cookies feel more substantial. Many bakers, myself included, enjoy a combination of both quick oats and old-fashioned oats for a balanced texture. If you opt for all quick oats, your cookies will likely be a bit denser and puffier, with a more uniform crumb. Old-fashioned oats offer a more rustic feel and a satisfying chew, reminding you that you’re enjoying a true oatmeal cookie. Feel free to use whichever you have on hand or experiment with a mix to find your perfect preference!

Storage and Shelf Life: How Long Do Eggnog Oatmeal Cookies Last?
These delightful Eggnog Oatmeal Cookies are best enjoyed fresh within the first day or two after baking, when their flavors are most vibrant and their texture is optimal. However, they can be stored in an airtight container at room temperature for about 3 to 4 days. If you wish to extend their freshness slightly, you can also store them in the refrigerator, though this may alter their softness slightly. For longer storage, especially if you plan to make a large batch, consider leaving the glaze off. Unglazed cookies can last up to a week in an airtight container at room temperature, giving you more flexibility.
Freezing Eggnog Oatmeal Cookies: Tips for Freshness Later
Eggnog Oatmeal Cookies are an excellent candidate for freezing, allowing you to prepare ahead for holiday gatherings or simply save some festive treats for later enjoyment. For the best results, we highly recommend freezing the cookies *before* applying the glaze. When freezing baked, unglazed cookies, simply place them in a single layer on a baking sheet to freeze solid, then transfer them to an airtight freezer-safe container or bag. This method prevents them from sticking together. When you’re ready to serve, thaw the cookies at room temperature and then prepare and apply the fresh eggnog glaze. If you freeze frosted cookies, the icing can become sticky, melt, or “sweat” upon thawing, potentially compromising the visual appeal and texture. While still edible, they won’t look as fresh and appetizing.

Unleash Your Creativity: Experimenting with Flavored Eggnogs
The world of eggnog has expanded far beyond the traditional vanilla and nutmeg variety. Today, you can find a fascinating array of flavored eggnogs, including pumpkin, pecan pie, and even peppermint. If you’re feeling adventurous and want to put a unique twist on these already delicious cookies, absolutely go ahead and experiment! Whichever your favorite eggnog flavor might be, it’s highly likely it will translate beautifully into these cookies, offering a delightful and unexpected festive surprise. Imagine a batch of peppermint eggnog oatmeal cookies for a truly minty holiday treat!
Expand Your Holiday Baking Repertoire with More Christmas Cookie Recipes!
The holiday season is synonymous with baking, and there’s no better way to spread cheer than with a fresh batch of homemade cookies. If you’ve enjoyed making these Eggnog Oatmeal Cookies, you’ll surely love exploring other festive options. Here are some of our other favorite Christmas cookie recipes to inspire your holiday baking adventures:
- Christmas Jello Sugar Cookies
- Christmas Lights Cut Out Cookies
- Frosted Eggnog Cookies
- Christmas Sugar Cookie Bars
- Stacked Christmas Tree Cookies
- Christmas Cut Out Cookies
- Christmas Sprinkle Cookies
- Best Christmas Cookie Recipes
- Christmas Sugar Cookie Recipe
- Mint Christmas Cookies
- Best Gingerbread Cut Out Cookies
Whether you’re looking for classic cut-outs, innovative flavor combinations, or simply more ways to enjoy the taste of eggnog, these recipes offer something for every baker and every festive occasion. Happy baking!

These Eggnog Oatmeal Cookies are more than just a holiday treat; they are a celebration of festive flavors and cozy traditions. With eggnog infused into both the soft, chewy cookie and its sweet, elegant glaze, they truly capture the essence of the season. Simple to make yet sophisticated in taste, they are the perfect addition to any holiday table, gift basket, or quiet moment with a cup of coffee. Enjoy the warmth and cheer they bring!