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There’s something magical about the aroma of freshly baked cookies wafting through the house, especially when those cookies are Irish oatmeal cookies. Growing up in Chicago, my babcia would often surprise us with a fresh batch of her famous cookies, and the kitchen would transform into a haven of warmth and comfort. These cookies, with their hearty oats and a hint of Irish charm, have become a staple in my own family’s kitchen. My kids, Ella and Peter, love to help mix the dough, often sneaking a taste when they think I’m not looking. It’s these small moments that make baking such a cherished tradition in our home.
Why You’ll Love This Recipe
These Irish oatmeal cookies are a delightful blend of chewy and crispy, with the oats providing a hearty texture that’s simply irresistible. They’re easy to make, requiring just a few simple ingredients that you probably already have in your pantry. Plus, they’re a great way to sneak some whole grains into your diet without compromising on flavor. Whether you’re enjoying them with a cup of tea or as an afternoon snack, these cookies are sure to become a family favorite.
Ingredients
- 1 cup unsalted butter, softened
- 1 cup brown sugar, packed
- 1/2 cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1 3/4 cups all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 3 cups old-fashioned oats
- 1 cup raisins (optional)
- 1/2 cup chopped walnuts (optional)

Step-by-Step Instructions
- Preheat your oven to 350°F (175°C) and line two baking sheets with parchment paper.
- In a large bowl, cream together the butter, brown sugar, and granulated sugar until light and fluffy.
- Add the eggs one at a time, beating well after each addition, then stir in the vanilla extract.
- In another bowl, whisk together the flour, baking soda, and salt. Gradually add this to the creamed mixture, mixing until just combined.
- Stir in the oats, and if using, the raisins and walnuts.
- Drop rounded tablespoons of dough onto the prepared baking sheets, spacing them about 2 inches apart.
- Bake for 12-15 minutes or until the edges are golden brown. Allow the cookies to cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.
What Makes This Recipe Special
- Quick and easy to prepare
- Packed with flavor and nutrition
- Perfect for any occasion
- Customizable to your taste preferences
- Budget-friendly ingredients
Expert Tips for Success
For the best texture, be sure not to overmix the dough once you’ve added the flour. Overmixing can lead to tough cookies. Also, if you prefer a softer cookie, slightly underbake them and allow them to finish cooking on the baking sheet out of the oven. And don’t forget to use old-fashioned oats for that classic Irish oatmeal cookie texture.
Amazon Affiliate Cooking Tools
When I make these delightful Irish oatmeal cookies, my go-to tool is a trusty Silicone Utensils Set. It’s perfect for mixing the dough without scratching my bowls. And for chopping those optional walnuts, nothing beats the precision of the MOSFiATA 8″ Professional Chef’s Knife. These tools make the process smoother and more enjoyable, helping me focus on creating those cherished family memories.

Variations and Substitutions
If you’re looking to switch things up, try adding some dried cranberries or chocolate chips instead of raisins. For a nut-free version, simply omit the walnuts. You can also experiment with different spices like cinnamon or nutmeg to add a warm, spicy note to your cookies.
Serving Suggestions
These cookies are perfect on their own, but they pair wonderfully with a hot cup of Irish breakfast tea or a cold glass of milk. For a special treat, try serving them alongside a scoop of vanilla ice cream or a dollop of whipped cream.

FAQs
Can I freeze the dough?
Yes, you can freeze the dough for up to three months. Simply scoop the dough onto a baking sheet and freeze until solid, then transfer to a freezer bag. Bake directly from frozen, adding a couple of minutes to the baking time.
How do I store the cookies?
Store the cookies in an airtight container at room temperature for up to a week. For longer storage, you can freeze the baked cookies for up to three months.
Final Thoughts
These Irish oatmeal cookies are more than just a treat; they’re a way to bring a little bit of my family’s history into your home. I hope they bring as much joy to your kitchen as they do to mine. Don’t forget to share your creations with friends and family, and enjoy the simple pleasure of baking with love and laughter.
Dynamic Related Recipe Section
I hope you loved making these Irish oatmeal cookies—they’re like a warm hug from the Emerald Isle. If you’re in the mood for more delicious treats, why not try my Classic Chocolate Chip Cookies, Buttery Shortbread, or Polish Kolaczki? Each recipe brings its own unique flavor and story to your table. Join us on our Facebook Page and Facebook Group — and don’t forget to follow on Pinterest for daily inspiration!
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Irish Oatmeal Cookies
Deliciously chewy and crispy Irish oatmeal cookies that are perfect for any occasion.
Keep the screen of your device on while you follow the steps.
- Preheat oven to 350°F (175°C).
- Cream butter and sugars.
- Add eggs and vanilla.
- Mix in flour, baking soda, and salt.
- Stir in oats, raisins, and walnuts.
- Drop dough onto baking sheets.
- Bake for 12-15 minutes.