Greek yogurt oatmeal cookies are soft-centered, lightly chewy cookies made with rolled oats, butter, brown sugar, and thick yogurt. The yogurt adds moisture and a gentle tang, while a short chill helps the dough hold its shape so the cookies bake up tender rather than cakey.
Ingredients
- 1 cup (125 g) all-purpose flour
- 1½ cups (135 g) old-fashioned rolled oats
- ½ teaspoon baking soda
- ½ teaspoon ground cinnamon
- ¼ teaspoon fine salt
- ½ cup (113 g) unsalted butter, softened but not melted
- ⅔ cup (135 g) packed light brown sugar
- 1 large egg, at room temperature
- ⅓ cup (80 g) plain, full-fat Greek yogurt, at room temperature
- 1 teaspoon vanilla extract
- ½ cup (85 g) raisins or semisweet chocolate chips
Instructions
- Prepare the oven and pans. Set a rack in the center of the oven and heat it to 350°F (175°C). Line two baking sheets with parchment paper. If you have only one sheet, bake in batches and let it cool before adding the next batch.
- Combine the dry ingredients. In a medium bowl, whisk together the flour, oats, baking soda, cinnamon, and salt. This distributes the leavening evenly and helps prevent salty or soda-flavored spots.
- Cream the butter and sugar. In a large bowl, beat the softened butter and brown sugar with a hand mixer on medium speed for about 2 minutes, until creamy and slightly fluffy. A sturdy spoon works too; mix briskly until no large butter streaks remain. Avoid using melted butter, which can make the cookies spread too much.
- Add the wet ingredients. Beat in the egg until incorporated, then mix in the Greek yogurt and vanilla. The mixture may look a little uneven or curdled; that is fine. Scrape down the bowl so the ingredients are evenly combined.
- Make the dough. Add the dry mixture to the wet mixture and stir on low speed, or fold by hand, just until no dry flour remains. Fold in the raisins or chocolate chips. The dough will be softer and stickier than conventional oatmeal cookie dough because of the yogurt.
- Chill briefly. Cover the bowl and refrigerate the dough for 15 minutes. This gives the oats a little time to absorb moisture and makes scooping easier. Do not add extra flour just because the dough feels soft; chilling should firm it up.
- Portion and bake. Scoop rounded tablespoons of dough, about 2 tablespoons (35–40 g) each, onto the prepared sheets, leaving about 2 inches (5 cm) between cookies. Bake one sheet at a time for 10–12 minutes, until the edges are set and lightly golden while the centers still look soft. If baking two sheets together, rotate and swap their rack positions halfway through.
- Cool before serving. Leave the cookies on the sheet for 5 minutes so their centers can set, then transfer them to a wire rack to cool. They will be delicate while hot. Bake the remaining dough in the same way, allowing the sheet to cool between batches.
Tips
- Measure flour lightly. Spoon it into the measuring cup and level the top rather than packing it in. Too much flour can make these yogurt-based cookies dry and dense.
- Choose thick, plain yogurt. Full-fat Greek yogurt gives the most tender result. If yours has pooled liquid, stir it well and use the thick portion; ordinary runny yogurt can make the dough spread more.
- Keep the dough cool. If it becomes very soft while you portion it, return it to the refrigerator for another 10 minutes. Warm dough tends to spread before the centers set.
- Check early in your oven. Start checking at 10 minutes. The cookies should look slightly underdone in the middle when removed; they continue to firm as they cool. Baking until the centers look fully dry can make them tough.
Serving Suggestions
Serve the cookies slightly warm or at room temperature with milk, coffee, or tea. For a simple dessert, pair one with fresh berries or a small scoop of vanilla ice cream. They also make an easy lunchbox or afternoon snack; allow them to cool fully before packing so trapped steam does not soften them.
Variations
For a fruit-and-nut version, replace the raisins with dried cranberries and add ⅓ cup (40 g) chopped walnuts or pecans. For a more warmly spiced cookie, add ¼ teaspoon ground nutmeg or ginger along with the cinnamon. To make them without chocolate or dried fruit, leave out the mix-in; the cookies will still bake successfully.
Whole-wheat pastry flour can replace up to half of the all-purpose flour for a slightly heartier texture. Avoid replacing all the flour with whole-wheat flour unless you are prepared for a denser cookie. For a dairy-free variation, use a firm, unsweetened dairy-free yogurt and plant-based butter; texture and spread can vary by product, so chill the dough well and bake a test cookie if possible.
Storage and Reheating
Cool the cookies completely, then store them in an airtight container at room temperature for up to 2 days, or refrigerate them for up to 4 days. Because this dough contains egg and yogurt, do not leave baked cookies at room temperature for more than 2 hours before storing. Refrigeration can make them firmer; bring them to room temperature or warm one briefly in the microwave for about 8–10 seconds.
For longer storage, freeze baked, cooled cookies in a sealed freezer-safe container for up to 2 months, separating layers with parchment. Thaw at room temperature. You can also freeze scooped dough portions for up to 2 months; bake from frozen at 350°F (175°C), adding about 2–3 minutes and checking for set edges and soft centers.
Frequently Asked Questions
Can I use quick oats instead of rolled oats?
Yes. Quick oats absorb moisture more readily and give the cookies a finer, softer texture. Use the same weight, 135 g, rather than relying on a loosely filled cup measure. Avoid steel-cut oats, which remain too firm in this short bake.
Can I use nonfat Greek yogurt?
Yes, provided it is thick and plain. The cookies may be a little less rich, but the recipe should work without another change. Do not use flavored or sweetened yogurt unless you want its flavor and added sugar to affect the result.
Why did my cookies spread too much?
The butter may have been melted or too warm, the yogurt may have been runny, or the dough may not have chilled long enough. Chill the remaining dough and make sure the baking sheet is cool before baking another batch. Also check that you measured the flour correctly.
Can I make the dough ahead?
Yes. Cover it and refrigerate it for up to 24 hours. The oats will absorb more moisture during a longer rest, so the cookies may bake a little thicker. If the dough is difficult to scoop, let it stand at room temperature for 5–10 minutes.
Are these cookies crisp?
No. They are designed to be soft and chewy, with lightly golden edges. For a drier, firmer cookie, bake for an extra 1–2 minutes, watching closely so the bottoms do not overbrown.
Can I make them gluten-free?
Use a cup-for-cup gluten-free flour blend that includes a binder, and choose oats labeled gluten-free if cross-contact is a concern. Because flour blends absorb moisture differently, chill the dough as directed and expect some variation in spread and texture.
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