Plum Cinnamon Oatmeal Raisin Cookies

The first time I added fresh plums to oatmeal cookies was completely accidental. I had a bowl of overripe plums sitting on my counter and no energy to make a separate dessert, so I just chopped them into my standard cookie dough. The way the fruit created these jammy pockets throughout the cookies surprised everyone who tried them.

My roommate walked in while these were baking and immediately asked what I was making. The cinnamon and plum scent filled our entire apartment and she ended up eating three straight from the cooling rack. Now they are her most requested treat.

Ingredients

• All-purpose flour: Forms the structure of the cookie dough and provides the perfect base for the oats
• Old-fashioned rolled oats: Essential for that hearty chewy texture and wholesome oatmeal cookie flavor
• Baking soda: Helps the cookies spread properly and gives them lift in the oven
• Salt: Balances the sweetness and enhances all the other flavors
• Ground cinnamon: Warm spice that pairs perfectly with both plums and raisins
• Unsalted butter: Creates a tender crumb and rich flavor, softened for easy creaming
• Light brown sugar: Adds moisture and deep caramel flavor to the cookies
• Granulated sugar: Creates crisp edges and helps the cookies spread
• Large eggs: Bind the dough together and add structure
• Vanilla extract: Rounds out all the flavors and adds warmth
• Fresh plums: Dice them small so they distribute evenly and create jammy pockets
• Raisins: Classic add-in that provides chewy sweetness throughout

Instructions

Prep your oven and pans:

Preheat oven to 350°F (175°C) and line two baking sheets with parchment paper

Whisk the dry ingredients:

In a large bowl, combine flour, oats, baking soda, salt, and cinnamon until well blended

Cream the butter and sugars:

Beat butter, brown sugar, and granulated sugar until light and fluffy, about 2 to 3 minutes

Add the eggs and vanilla:

Mix in eggs one at a time, then stir in the vanilla extract until combined

Combine the mixtures:

Gradually add dry ingredients to the wet ingredients, mixing just until you no longer see flour streaks

Fold in the fruit:

Gently fold in diced plums and raisins until evenly distributed throughout the dough

Scoop the cookies:

Drop rounded tablespoons of dough onto prepared baking sheets, spacing about 2 inches apart

Bake to perfection:

Bake for 12 to 15 minutes until edges are golden brown and centers look set

Cool completely:

Let cookies rest on baking sheets for 5 minutes before transferring to a wire rack

Pin It

These cookies have become my go-to for bake sales and potlucks because people are always intrigued by the plum addition. The combination of familiar oatmeal raisin with the unexpected fresh fruit makes them memorable.

Choosing the Perfect Plums

I have learned that slightly soft plums work best because they dice easily and bake down beautifully. Avoid using rock hard fruit as they will not break down properly in the oven.

Making Ahead and Freezing

You can scoop the dough onto a baking sheet and freeze it solid, then transfer the frozen dough balls to a bag. Bake straight from frozen, adding just 1 to 2 minutes to the baking time.

Serving Suggestions

These cookies are perfect with a cup of coffee or tea in the afternoon. The plums and cinnamon make them especially comforting during cooler months.

• Warm a cookie in the microwave for 15 seconds before serving
• Pair with vanilla ice cream for an easy dessert
• Pack them in lunch boxes for a homemade treat

Pin It

There is something so satisfying about biting into a warm cookie and finding those sweet jammy pockets of plum. Hope these become a new favorite in your kitchen too.

Recipe Questions & Answers

→ Can I use dried plums instead of fresh?

Yes, dried plums (prunes) work beautifully as a substitute when fresh plums are out of season. Chop them into small pieces similar to the raisin size for even distribution throughout the dough.

→ How should I store these cookies?

Keep your cookies fresh by storing them in an airtight container at room temperature. They'll stay soft and chewy for up to 4 days. For longer storage, freeze individually wrapped cookies for up to 3 months.

→ Can I add nuts to this dough?

Absolutely! Adding 1/2 cup of chopped walnuts or pecans brings a lovely crunch and nutty flavor that complements the sweet plums and cinnamon beautifully. Fold them in with the fruit during step 6.

→ Why are my cookies spreading too much?

If your cookies spread excessively, ensure your butter is softened but not melted. Chill the dough for 15-20 minutes before baking if your kitchen is warm. Also, measure flour accurately by spooning it into measuring cups rather than scooping directly.

→ Can I make this dough ahead of time?

Yes, the dough can be prepared ahead and refrigerated for up to 24 hours before baking. Chilling actually enhances the flavors and helps prevent spreading. Let cold dough sit at room temperature for 10 minutes before scooping onto baking sheets.

→ What's the best way to dice fresh plums?

Wash and dry the plums, then cut in half and remove the pit. Slice each half into small cubes about 1/4 to 1/2 inch in size. Keep the skin on for color and nutrients. Pat diced plums lightly with paper towels to remove excess moisture before folding into the dough.