Lemon Oatmeal Cookies Recipe
If you’re searching for a treat that brings together zesty citrus and classic comfort, you have to try these Lemon Oatmeal Cookies. They’re bright, chewy, and just sweet enough, making each bite a celebration of sunshine and simplicity. With their crispy golden edges and soft centers, you’ll be amazed at how a handful of pantry basics and one beautiful lemon can create cookies that taste like a bakery’s best-kept secret. Whether sharing with friends or savoring solo with a mug of tea, these cookies are sure to become a new favorite.

Ingredients You’ll Need
What makes these Lemon Oatmeal Cookies shine is how easily you can find each ingredient, and how perfectly they come together. Every component plays its part—creating cookies that are aromatic, perfectly textured, and just the right balance of tart and sweet.
- All-purpose flour: Gives the cookies their structure and tender crumb, ensuring a soft, chewy bite.
- Baking soda: A little bit goes a long way, helping these cookies rise and brown beautifully in the oven.
- Salt: Don’t skip it—it wakes up all the flavors and helps balance out the sweetness.
- Butter: Creates a luxurious, melt-in-your-mouth texture and adds a rich flavor to the base.
- Granulated sugar: Provides both sweetness and a delightfully crisp edge after baking; dividing it lets you roll and flatten the cookies with a sparkly finish.
- Lemon extract: Intensifies the citrusy aroma that sets these cookies apart from classic oatmeal recipes.
- Fresh lemon zest: Adds beautiful flecks and a burst of authentic, tangy lemon flavor throughout every cookie.
- Old-fashioned oatmeal: Uncooked oats give the cookies lasting chew and that signature hearty bite.
How to Make Lemon Oatmeal Cookies
Step 1: Prep the Oven and Baking Sheet
Start by preheating your oven to 350 degrees so it’s ready when your dough is. Line a baking sheet with parchment paper—this makes cleanup a breeze and gives your cookies perfectly golden bottoms that won’t stick.
Step 2: Combine Dry Ingredients
In a medium bowl, whisk together the flour, baking soda, and salt. This quick step ensures that the leavening and seasoning get evenly distributed, preventing uneven spots in your baked cookies.
Step 3: Cream the Butter and Sugar
Using a stand mixer on low speed, beat the butter and 1 cup of the sugar until creamy and pale, about 4 to 5 minutes. Scrape down the sides and bottom regularly—you want the mixture to be silky smooth, as this creates that lovely chewy texture in the final Lemon Oatmeal Cookies.
Step 4: Add Lemon Extract and Zest
With the mixer set to medium, add in the lemon extract and the fragrant grated lemon zest. This is where the kitchen will start to smell amazing! Blend it just until everything is evenly mixed, so each cookie is bursting with lemon goodness.
Step 5: Incorporate the Dry Mix
Lower the mixer speed and slowly add in your pre-whisked flour mixture, blending only until you no longer see dry flour. Over-mixing can make cookies tough, so go just until combined for the best results.
Step 6: Mix in the Oatmeal
Pour in the old-fashioned oatmeal and beat until it’s evenly distributed. The dough will be thick and a bit sticky—that’s exactly what you want! The oats will lend chewiness and a hearty structure to every bite.
Step 7: Shape the Cookies
Using a tablespoon, scoop out some dough and roll it between your hands into a ball. If the dough sticks (and it might!), keep a small bowl of cold water handy to dip your hands, shaking off excess before rolling each cookie.
Step 8: Arrange and Flatten
Place your cookie dough balls 2 1/2 inches apart on the prepped baking sheet—these cookies do spread. Set up two small bowls: one with the remaining 1/3 cup sugar and another with some water. Dip a flat-bottomed glass lightly in water, then in the sugar, and use it to gently flatten each cookie ball, refreshing the glass every couple cookies for that sparkling, crunchy top.
Step 9: Bake to Perfection
Slide the baking sheet into the oven and bake for about 12 minutes, until the tops are just golden. Keep an eye on them—these cookies taste best when barely golden, so don’t overbake!
Step 10: Cool and Enjoy
Let your Lemon Oatmeal Cookies cool and firm up on the sheet for a few minutes before carefully transferring them to a rack. As they cool, the edges get even crisper, and the centers stay wonderfully chewy.
How to Serve Lemon Oatmeal Cookies

Garnishes
If you want to dress up your cookies, try an extra dusting of powdered sugar or a drizzle of simple lemon glaze made from powdered sugar and lemon juice. A little lemon zest on top just before serving adds a fresh, citrusy aroma that guests will love.
Side Dishes
Lemon Oatmeal Cookies are lovely with a cup of black tea, coffee, or even a tall glass of milk. If you’re serving them as part of an afternoon tea, they pair beautifully with fresh berries and lightly whipped cream for a vibrant, colorful plate.
Creative Ways to Present
Stack these cookies on a decorative cake stand, layer them in a pretty tin lined with parchment, or slip a few into a cellophane bag tied with a ribbon for an irresistibly sweet homemade gift. If you’re feeling extra creative, sandwich a little lemon or vanilla ice cream between two cookies for a fun dessert twist.
Make Ahead and Storage
Storing Leftovers
Keep any remaining Lemon Oatmeal Cookies in an airtight container at room temperature. They’ll stay soft and tasty for up to four days, making them perfect for snacking throughout the week.
Freezing
You can freeze baked cookies by layering them between sheets of parchment in a freezer-safe container for up to three months. Or, freeze the dough balls before baking—just pop them directly onto a baking sheet and add a minute or two to the baking time straight from the freezer.
Reheating
If you love a warm cookie, reheat a batch in a low oven (about 300 degrees) for a few minutes or microwave an individual cookie for 10-15 seconds. They’ll taste like they just came out of the oven, with gooey centers and crispy edges.
FAQs
What if I don’t have lemon extract?
If you’re out of lemon extract, just use more fresh lemon zest—it’ll bring enough lively citrus flavor to keep your Lemon Oatmeal Cookies tantalizingly bright.
Can I use quick oats instead of old-fashioned oatmeal?
Quick oats can work in a pinch, but old-fashioned oats give these cookies their best chewy texture and rustic look. Quick oats may make them slightly softer and less hearty.
Why flatten the cookies with a glass and sugar?
This step ensures a perfectly even, crackled top while the sugar gives each cookie a pop of extra crunch and sparkle. It’s a simple trick that really elevates these Lemon Oatmeal Cookies!
How do I make the cookies more tart?
For an extra lemon punch, add a bit more zest or a teaspoon of fresh lemon juice to the dough—just watch for any extra moisture that might require a tiny flour adjustment.
Can I make these cookies gluten-free?
Yes! Swap the flour for your favorite 1:1 gluten-free baking blend and double-check that your oats are certified gluten-free. The texture will still be fantastic and the lemon flavor will truly shine.
Final Thoughts
There’s something special about taking a bite of these Lemon Oatmeal Cookies—the pop of citrus, the chewy oats, and the sweet, golden edges just make everything feel a little brighter. I hope you’ll bake a batch and share them with someone you love (or savor them all yourself). However you enjoy them, they’re bound to bring a little more sunshine to your day!
PrintLemon Oatmeal Cookies Recipe
These Lemon Oatmeal Cookies are a delightful twist on traditional oatmeal cookies, with a zesty lemon flavor that adds a refreshing touch to this classic treat. Perfect for any occasion, these cookies are sure to be a hit with your family and friends.
- Prep Time: 20 minutes
- Cook Time: 12 minutes
- Total Time: 32 minutes
- Yield: 2 1/2 dozen cookies 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
Dry Ingredients:
- 1 cup flour
- 3/4 tsp baking soda
- 1/4 tsp salt
Wet Ingredients:
- 1 cup butter
- 1 1/3 cup granulated sugar (divided)
- 1 tsp lemon extract
- Grated zest from 1 medium lemon
- 1 1/2 cup old-fashioned oatmeal (uncooked)
Instructions
- Preheat oven: Preheat the oven to 350 degrees.
- Prepare baking sheet: Line a baking sheet with parchment paper and set aside.
- Combine dry ingredients: In a medium bowl, whisk together the flour, baking soda, and salt.
- Cream butter and sugar: In a stand mixer on low speed, beat the butter and 1 cup of sugar until creamy and light, about 4-5 minutes.
- Add lemon flavor: On medium speed, mix in the lemon extract and zest until blended.
- Incorporate flour mixture: Slowly add the flour mixture to the wet ingredients, beating on low until blended.
- Add oatmeal: Mix in the oatmeal until well combined.
- Form cookie dough: Roll the dough into balls using a tablespoon measure.
- Flatten cookies: Place the dough balls on the baking sheet and flatten them with a sugared glass.
- Bake: Bake the cookies for about 12 minutes, or until golden.
- Cool: Allow the cookies to cool slightly on the baking sheet before transferring to a rack to cool completely.
Notes
- You can add a handful of dried cranberries or chopped nuts for extra texture and flavor.
- Store the cookies in an airtight container to maintain their freshness.
Nutrition
- Serving Size: 1 cookie
- Calories: 120
- Sugar: 8g
- Sodium: 80mg
- Fat: 6g
- Saturated Fat: 4g
- Unsaturated Fat: 2g
- Trans Fat: 0g
- Carbohydrates: 15g
- Fiber: 1g
- Protein: 1g
- Cholesterol: 15mg
Keywords: Lemon Oatmeal Cookies, Lemon Cookies, Oatmeal Cookies, Dessert Recipes