My Lemon Iced Oatmeal Cookies are a bright, summery take on the classic oatmeal cookie. Fresh lemon zest, finely chopped golden raisins, and a tangy lemon icing lift the familiar chewy texture. These cookies are slightly thicker than most iced oatmeal cookies, with a soft chewy center from brown sugar and little pockets of sweet raisins in every bite.
Key Ingredients
- Whole Old-Fashioned Oats: Provide the classic hearty chew and texture.
- Unsalted Butter: I prefer European-style butter with higher butterfat for extra richness and tenderness.
- Light Brown Sugar: Keeps cookies soft and chewy while allowing the lemon to shine.
- Lemon Zest and Juice: Fresh zest brightens the dough; juice flavors the icing.
- Confectioners’ Sugar: Sifted powdered sugar makes a smooth, bright lemon icing.
- Golden Raisins: Finely chopped so they distribute evenly and add gentle sweetness.
Helpful Tips
- Pre-scoop dough: Measure dough with a 3-tablespoon scoop into balls before chilling. Scooping chilled dough is difficult and can damage the scoop. Arrange balls on a lined tray or in an airtight container until ready to bake.
- Chill the dough: This soft dough will over-spread unless chilled. Refrigerate for at least 2 hours or overnight. Cold dough spreads less and yields taller cookies.
- Pack the dough: Just before baking, press each dough ball into a taller mound to encourage a thick, chewy center.
- Don’t overbake: Pull cookies when edges are lightly golden and centers still look puffy and slightly underdone. They’ll firm as they cool.
- Better the next day: The lemon flavor often develops and becomes more pronounced after a day.
“Cookie Scoot” for Perfectly Round Cookies
Here’s a small trick for bakery-style rounds: when cookies come out of the oven and are still warm, place a slightly larger round object — a cookie cutter or glass — around the cookie and gently swirl it to tuck in any uneven edges. This quick “scoot” smooths the edges and creates a neat, photo-ready shape. Remember the centers will look puffy out of the oven and will sink slightly as they cool.
- Fresh from the oven: golden edges and puffy centers.
- After cooling: centers have settled and edges are golden.
How to Ice the Oatmeal Cookies
Two important tips for icing:
- Use thick icing. Start with sifted confectioners’ sugar, ½ teaspoon vanilla, and 2 tablespoons fresh lemon juice. Whisk until smooth and thick; add a touch more lemon juice only if needed. The icing should hold its shape on the cookie.
- Dip lightly. For a pretty crackled top, dip just the top surface of the cookie rather than fully dunking. Lift and let excess drip off before placing the cookie right-side up to set.
Storage Recommendations
- Store baked and fully set iced cookies in an airtight container for up to one week.
- Make sure icing is completely set before stacking. Use wax or parchment paper between layers to prevent sticking.
- Make ahead: Cookie dough can be made up to two days ahead; cover tightly and refrigerate until ready to scoop and bake.
- Freeze: Freeze pre-scooped dough balls in an airtight container for up to three months. Add a few minutes to baking time when baking from frozen.
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5 from 2 votes
Lemon Iced Oatmeal Cookies
By Jenn Davis
Prep: 12 mins
Cook: 14 mins
Chilling Time: 2 hrs
Total: 2 hrs 26 mins
Yield: 22 cookies
Print
Lemon iced oatmeal cookies made with fresh lemons, brown sugar, and golden raisins, topped with a zingy lemon icing.
Equipment
- electric hand mixer (or stand mixer)
- #20 large cookie scoop (3 Tbsp)
Ingredients
Lemon Oatmeal Cookies
- 266 grams (2 cups + 2 Tbsp) all-purpose flour (10.5–11% protein)
- 240 grams (3 cups) old-fashioned whole oats
- ½ teaspoon baking powder
- ½ teaspoon baking soda
- ½ teaspoon fine sea salt
- 50 grams (¼ cup) granulated sugar
- 2 tablespoons fresh lemon zest (zest of two lemons)
- 275 grams (1¼ cups) light brown sugar
- 227 grams (1 cup) unsalted European-style butter, softened (82% butterfat)
- 1 tablespoon fresh lemon juice
- 1 teaspoon vanilla bean paste or pure vanilla extract
- 2 large eggs, room temperature
- 128 grams (1 cup) golden raisins, finely chopped
Lemon Icing
- 165 grams (1½ cups) confectioners’ sugar, sifted
- ½ teaspoon vanilla extract
- 2 tablespoons fresh lemon juice (more if needed)
Instructions
Lemon Oatmeal Cookies
- In a medium bowl whisk together the flour, oats, salt, baking powder, and baking soda. Set aside.
- In a stand mixer bowl, rub the granulated sugar and lemon zest together to release oils. Let sit a couple minutes. Add brown sugar and softened butter and beat on medium until smooth (1–2 minutes). (Alternatively use a large bowl and an electric hand mixer.)
- Mix in the lemon juice and vanilla, then beat in eggs one at a time, scraping the bowl as needed.
- With the mixer on medium-low, slowly add the flour-oat mixture just until combined into a thick dough.
- Scrape any dough from the paddle, add chopped raisins, and mix briefly to distribute them evenly.
- Pre-scoop dough with a 3-tablespoon scoop, place balls on parchment or in an airtight container, and chill at least 2 hours or overnight.
- Preheat oven to 350°F (180°C). Line a rimmed baking sheet with silicone and parchment.
- Bake six cookies at a time on a cooled pan. Pack each chilled ball into a taller mound and place 2 inches apart.
- Bake on the middle rack for 14–15 minutes, rotating the tray halfway through.
- Remove when edges are golden and centers still look puffy. Let cookies rest on the pan 5 minutes, then transfer to a wire rack to cool completely before icing.
- If any cookie spreads unevenly, reshape while still warm by placing a slightly larger cutter or cup around it and gently scooting to form a round.
Icing the Cookies
- Whisk sifted confectioners’ sugar, vanilla, and 2 tablespoons lemon juice in a shallow bowl until thick and smooth. Add a touch more lemon if needed.
- Hold a cooled cookie between thumb and forefinger and gently dip only the top surface into the icing. Lift and let excess drip off before placing the cookie face-up to set.
- How deep you dip determines how much icing the cookie gets. Allow icing to dry completely before stacking.
Notes
Ingredients used:
- Flour — Gold Medal, 10.5–11% protein (recipe tested by weight).
- Butter — European-style unsalted butter (82% butterfat).
*I weigh flour for accuracy: 1 cup = 125 grams as used in testing. Different flours and protein levels will affect results; use the weight measurements for best consistency.
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