These oatmeal cookies use steel-cut oats for a pleasantly chewy texture and a light, nutty flavor. Because steel-cut oats are much firmer than rolled oats, they are simmered briefly first, then cooled before mixing into a classic cinnamon cookie dough.
Ingredients
- ½ cup (90 g) steel-cut oats
- 1 cup (240 ml) water
- ½ cup (113 g) unsalted butter, softened
- ½ cup (100 g) packed light brown sugar
- ¼ cup (50 g) granulated sugar
- 1 large egg (about 50 g without shell), at room temperature
- 1 teaspoon (5 ml) vanilla extract
- 1 cup (125 g) all-purpose flour, spooned into the measuring cup and leveled
- ½ teaspoon baking soda (about 2.5 g)
- ½ teaspoon ground cinnamon (about 1.3 g)
- ¼ teaspoon fine salt (about 1.5 g)
- ½ cup (75 g) raisins or chopped walnuts (optional)
Instructions
- Simmer the oats. Combine the steel-cut oats and water in a small saucepan. Bring to a boil over medium heat, then reduce the heat to low and simmer uncovered for 12–15 minutes, stirring occasionally, until the oats are tender but still chewy and most of the water is absorbed. If a little water remains, drain it. Spread the oats on a plate and cool completely, about 15 minutes. Do not add hot oats to the dough, which can melt the butter.
- Prepare the oven and pan. While the oats cool, heat the oven to 350°F (175°C). Line two baking sheets with parchment paper. If baking one sheet at a time, keep the remaining dough at room temperature while the first batch bakes.
- Mix the dry ingredients. In a medium bowl, whisk together the flour, baking soda, cinnamon, and salt until evenly combined.
- Cream the butter and sugars. In a large bowl, beat the softened butter with the brown and granulated sugars for about 2 minutes, until creamy and slightly lighter. A hand mixer makes this easy, but a sturdy spoon also works.
- Add the egg and vanilla. Beat in the egg until the mixture looks smooth, then mix in the vanilla. Scrape down the sides of the bowl as needed.
- Finish the dough. Stir the cooled cooked oats into the butter mixture. Add the flour mixture and mix just until no dry streaks remain. Fold in raisins or walnuts, if using. The dough will be soft; avoid overmixing, which can make the cookies tough.
- Portion and bake. Drop rounded tablespoons of dough onto the prepared sheets, leaving about 2 inches (5 cm) between portions. Bake for 10–12 minutes, until the edges are set and lightly golden while the centers still look a little soft. Rotate the sheet once if your oven browns unevenly. Bake in batches as needed.
- Cool. Leave the cookies on the baking sheet for 5 minutes to firm up, then transfer them to a wire rack to cool. They will become chewier as they cool.
Tips
- Cook the oats until chewy, not dry. The oats continue to bake in the cookies, so stop simmering once tender. If they are very wet, drain off the excess before cooling; excess moisture can make the dough loose and the cookies cakey.
- Measure flour gently. Spoon flour into the cup and level it rather than scooping directly from the bag. Too much flour can make these cookies dense and dry.
- Use softened, not melted, butter. Butter should give slightly when pressed but not look shiny or oily. Melted butter can cause the cookies to spread too much.
- Let the oats cool fully. Warm oats can soften the butter and make the dough greasy. If you need to speed cooling, spread the oats in a thin layer on a plate, but do not leave them sitting out for an extended period.
Serving Suggestions
Serve the cookies plain with coffee, tea, or a glass of milk. For dessert, pair one or two with vanilla ice cream or warm the cookie briefly and add a spoonful of yogurt or whipped cream. Their chewy centers and lightly crisp edges make them good for lunchboxes and snack plates once completely cool.
Variations
Replace the raisins with an equal amount of dried cranberries, chopped dates, or chocolate chips. For a nutty version, use walnuts or pecans; toast them first in a dry skillet for a few minutes and cool before adding. You can also add ¼ teaspoon (about 0.5 g) ground nutmeg or ginger alongside the cinnamon.
For a less sweet cookie, reduce the granulated sugar to 2 tablespoons (25 g); expect a slightly less crisp edge. If you only have salted butter, use it and omit the added salt. Rolled oats are not a direct substitute in this method: they do not need the same simmer, and the cookies will have a different, less distinct chew. For a rolled-oat version, use a recipe designed for them rather than swapping them into this one.
Storage and Reheating
Cool the cookies completely, then store them in an airtight container at room temperature for up to 4 days. For best texture, keep them away from heat and moisture. Refrigeration is not necessary for these cookies and may make them firm.
To freeze baked cookies, arrange them in a freezer-safe container with parchment between layers and freeze for up to 2 months. Thaw at room temperature. To refresh a cookie, warm it in a 300°F (150°C) oven for 3–5 minutes, or microwave for about 8–10 seconds; avoid overheating, which can make it tough. Refrigerate perishable foods within 2 hours; these shelf-stable cookies do not require refrigeration for routine storage.
Frequently Asked Questions
Can I use steel-cut oats without cooking them first?
No. Uncooked steel-cut oats are hard and may remain unpleasantly crunchy in the short baking time. Briefly simmering them softens the centers while preserving their characteristic chew.
Can I make the dough ahead?
Yes. Cover and refrigerate the dough for up to 24 hours, then let it stand at room temperature for about 15–20 minutes so it is easier to portion. Chilling can reduce spreading, so the cookies may bake slightly thicker; check them at the usual time and add a minute if needed.
Why did my cookies spread too much?
The butter may have been too warm or melted, the oats may have been hot, or the flour may have been undermeasured. Make sure the cooked oats are completely cool and the butter is softened but still holds its shape. If the dough seems unusually soft, chill it for 20 minutes before baking.
How do I know when they are done?
Look for set edges with a light golden color and centers that still appear slightly soft. They continue to firm as they cool, so baking until the centers look fully dry can make the cookies hard.
Can I make these gluten-free?
Use a cup-for-cup gluten-free flour blend that is formulated for baking, and check that the steel-cut oats are labeled gluten-free if that matters for your needs. Texture can vary by blend, so the dough may need a short chill if it seems loose.
Can I freeze the dough?
Yes. Portion the dough onto a lined tray and freeze until firm, then transfer the portions to a sealed freezer bag for up to 2 months. Bake from frozen at 350°F (175°C), adding roughly 2–3 minutes and checking for set edges.
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