Blackberry Oatmeal Cookies

Blackberry Oatmeal Cookies by Brownie Mischief

We’ve all heard our parents telling their childhood stories of walking miles to school and suffering worse hardships than we ever had to. My mom used to tell me stories like that, but she had a sense of humor, so her stories were always fun to listen to. She used to tell me about her friend’s mother, who would make big, delicious oatmeal cookies. My mom would trade her baloney sandwich nearly every day to get one of those cookies from her friend. She reminisced about those cookies so much, that I set out to make her some when I learned to bake. She and my grandmother would taste test batch after batch of my cookies over the years. I have probably baked enough oatmeal cookies to circle the earth. Okay that’s an exaggeration, but seriously I have baked quite a few. Of all the oatmeal cookies I’ve baked, these are one of my favorites!

Most of the time when you see fruit added to an oatmeal cookie, it’s dried fruit, like raisins or cranberries. That’s mostly because if you just dump fruit into your cookie dough, the fruit releases water, leaving soggy spots in your cookies. To solve that issue, for this recipe, I macerate the blackberries before baking. The purple blackberry juice that’s released from the berries is used to make a beautiful lilac icing to drizzle over the cookies.

Print Recipe
Blackberry Oatmeal Cookies
Course Dessert
Keyword cookies
Servings
cookies
Ingredients
Brown Butter
Macerated Berries
Oatmeal Cookies
Icing
Course Dessert
Keyword cookies
Servings
cookies
Ingredients
Brown Butter
Macerated Berries
Oatmeal Cookies
Icing
Instructions
  1. In a small, light colored saucepan, melt 1/2 cup butter over medium heat, stirring occasionally, until dark golden and fragrant. You will see brown particles sink to the bottom. Keep a close eye on it. It can go from toasted to burned very quickly.
  2. Remove from heat and immediately transfer brown butter, including the brown particles, to a small bowl. Refrigerate until solid, about one hour.
  3. Place blackberries in a medium bowl. Sprinkle with granulated sugar and toss to coat. Let sit for 30 minutes until berries release their juices.
  4. Drain blackberries and reserve the juice.
  5. Preheat oven to 350ºF. Line two large cookie sheets with parchment paper.
  6. In a large bowl, whisk together flour, baking soda, salt and cinnamon. Set aside.
  7. In a large bowl, beat brown butter, softened butter and brown sugar until light and fluffy.
  8. Add eggs and vanilla extract in three separate additions and beat until well combined.
  9. Stir in flour mixture just until combined.
  10. Stir in oats until combined.
  11. Gently fold in blackberries.
  12. Scoop 1/4 cup sized portions of dough, about 2 inches apart, onto prepared cookie sheets. *I used a #16 2 ounce scoop.
  13. Bake until cookie tops are set and edges are golden brown, about 13-15 minutes.
  14. Transfer to a cooling rack to cool completely.
  15. Pass reserved blackberry juice through a sieve to remove seeds.
  16. In a small bowl, whisk together powdered sugar, heavy cream and one tablespoon reserved blackberry juice until smooth. Add more blackberry juice, a little at a time, until desired consistency is reached.
  17. Drizzle icing over cooled cookies.
Recipe Notes

*To find the portion scoop I used, click here.

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