Oatmeal cookies using instant oatmeal are soft-centered, lightly chewy cookies made with the familiar packets or plain quick-cooking oats in your pantry. Brown sugar, butter, and a brief chill help the finer oats bake into tender cookies without turning dry or crumbly; this flexible home-style recipe makes a good base for raisins or chocolate chips.
Ingredients
- 1 cup (226 g) unsalted butter, softened but not melted
- ¾ cup (165 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
- 1½ cups (190 g) all-purpose flour, spooned into the measuring cup and leveled
- ½ teaspoon (2.5 g) baking soda
- ½ teaspoon (3 g) fine salt
- 1 teaspoon (2 g) ground cinnamon, optional
- 2 cups (about 180 g) instant oatmeal, measured dry; use plain, unsweetened quick oats or two standard 1-ounce (28 g) packets plus enough plain oats to reach the weight
- ¾ cup (110 g) raisins or chocolate chips, optional
Instructions
- Heat the oven 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 of dough.
- In a large bowl, beat the softened butter, brown sugar, and granulated sugar until creamy and evenly combined, about 2 minutes with a hand mixer. A sturdy spoon works too, though it takes a little longer. Scrape down the bowl so no firm butter remains at the bottom.
- Beat in the egg and vanilla until smooth. In a separate bowl, whisk together the flour, baking soda, salt, and cinnamon, if using. Add the dry mixture to the butter mixture and stir just until no dry flour is visible; overmixing can make the cookies firm.
- Fold in the instant oatmeal and, if desired, raisins or chocolate chips. The dough should be thick and scoopable. Cover the bowl and chill it for 15 minutes. This short rest lets the oats take up some moisture and helps the cookies spread less.
- Scoop level portions of about 1½ tablespoons (roughly 30 g) onto the prepared sheets, leaving about 2 inches (5 cm) between them. Shape each portion into a loose ball; do not flatten it, since the dough will spread as it bakes.
- Bake one sheet at a time 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. Remove the cookies when the edges are done rather than waiting for the centers to look fully firm; they continue to set on the hot pan.
- Let the cookies cool on the baking sheet for 5 minutes, then transfer them to a rack to cool completely. The recipe makes about 24 cookies, depending on scoop size. For accuracy, an egg-containing baked cookie should reach 160°F (71°C); the USDA FSIS safe minimum for egg dishes is 160°F (71°C), though a thermometer reading is not practical for thin cookies, so bake until properly set and golden at the edges.
Tips
- Check packet ingredients. Flavored instant oatmeal often includes sugar, salt, dried fruit, or spices. For the most predictable result, use plain oats. If you use sweetened packets, reduce the brown sugar by about 2 tablespoons (25 g) and expect a sweeter, more strongly flavored cookie.
- Measure the oats by weight when possible. Packet sizes and how oats settle in a cup vary. Use about 180 g total. Do not prepare oatmeal with water or milk first; the recipe needs dry oats.
- Keep the butter softened, not melted. Melted butter can make the dough greasy and the cookies spread too much. If the dough feels very soft after mixing, chill it an extra 10 minutes before scooping.
- Use a light-colored baking sheet if available. Dark pans brown cookie bottoms faster. Avoid baking directly on a greased pan, which can encourage excess spreading; parchment gives more consistent results.
Serving Suggestions
Serve the cookies slightly warm or at room temperature with a glass of milk, coffee, or tea. They also make an easy lunchbox or picnic treat once fully cooled. For a simple dessert, pair one or two cookies with vanilla ice cream or plain yogurt and sliced fruit. If you like a crisp edge with a softer middle, serve them on the day they are baked; they become more uniformly soft as they sit.
Variations
Stir in up to ¾ cup (110 g) of one add-in, or combine smaller amounts while keeping the total close to that amount. Raisins, dried cranberries, chopped walnuts, pecans, or chocolate chips all work. For a warm spice profile, add ¼ teaspoon (0.5 g) nutmeg alongside the cinnamon. To make the cookies without cinnamon, simply omit it.
For a slightly heartier texture, replace up to ½ cup (65 g) of the all-purpose flour with whole-wheat flour; the cookies may be a little denser. To use salted butter, omit the added salt. Avoid replacing the egg with extra liquid: it helps bind the dough, and a liquid substitute can change how much the cookies spread. If using flavored oatmeal, account for its added sugar and seasoning as noted above.
Storage and Reheating
Cool the cookies completely, then store them in an airtight container at room temperature for up to 4 days. Keep them away from direct sunlight and heat. Refrigerate within 2 hours if they are being served alongside perishable foods, and refrigerate any dough or cookies with perishable additions rather than leaving them out. For longer storage, freeze the cooled cookies in a well-sealed freezer bag or container for up to 3 months; thaw at room temperature.
To warm a cookie, microwave it for about 8–10 seconds, checking before adding more time, or place it in a 300°F (150°C) oven for 3–5 minutes. Reheating is optional; avoid heating for too long, as the cookies can dry out. If reheating leftovers as part of a dish containing a perishable filling, reheat that dish to 165°F (74°C).
Frequently Asked Questions
Can I use instant oatmeal packets?
Yes. Use the packets dry, not prepared, and measure out about 180 g (2 cups by volume). Plain packets give the most balanced flavor. Sweetened or flavored packets work, but reduce the brown sugar slightly and expect added flavor from the packet.
Are instant oatmeal and quick oats the same for this recipe?
They are similar enough to use here. Instant oats are usually cut finer and may absorb moisture faster, while quick oats can leave a more distinct oat texture. Old-fashioned rolled oats are larger and chewier; they can work, but the cookies will have a coarser texture.
Why did my cookies spread too much?
The butter may have been melted or too warm, the dough may not have chilled, or the baking sheet may have been warm from a previous batch. Chill the dough until scoopable, bake on a cool sheet, and check that the flour was measured without packing it into the cup.
Why are the cookies dry or crumbly?
Too much flour or oats, overbaking, or using a different packet size without checking the weight can dry them out. Measure the oats by weight, spoon and level the flour, and take the cookies out when the edges are set but the centers still look slightly soft.
Can I make the dough ahead?
Yes. Cover and refrigerate it for up to 24 hours. The dough may become firm, so let it sit at room temperature for about 10 minutes before scooping. You can also freeze scooped dough portions for up to 2 months; bake from frozen, adding a few minutes and checking for set edges.
Can I make these cookies gluten-free?
Use a certified gluten-free all-purpose flour blend and certified gluten-free oats, since oats can be exposed to gluten-containing grains during processing. Results depend on the flour blend, so check the dough texture; it should be thick enough to hold a scoop. Do not assume ordinary oats are gluten-free.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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