Brown butter oatmeal cookies combine nutty browned butter, chewy rolled oats, and chunks of dark chocolate in one thick, bakery style cookie. The butter is simmered until golden flecks form, which adds a toasted caramel flavor that plain melted butter cannot match.
The dough comes together in two bowls with a whisk and a wooden spoon, and the cookies bake in about 11 minutes per tray. Chopping a dark chocolate bar instead of using chips gives you melty pools and fine shards in every bite.
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Why This Brown Butter Oatmeal Cookies Recipe Works
Browning the butter removes water and toasts the milk solids, so the cookies taste richer and slightly sweeter than plain butter would allow.
Rolled oats give structure and chew. Quick oats turn pasty and steel cut oats stay hard, so stick with old fashioned rolled oats.
A short rest before scooping lets the oats absorb moisture and the dough firm up, which keeps the cookies thick rather than flat.
Ingredients for Brown Butter Oatmeal Cookies
- 5 ounces (10 tablespoons) unsalted butter, cut into 1/2 inch cubes
- 1 cup all purpose flour
- 1 1/2 cups rolled oats
- 1 teaspoon baking soda
- 1/4 teaspoon kosher salt
- 1 cup packed brown sugar
- 1 large egg, at room temperature
- 1 teaspoon vanilla extract
- 7 ounces dark chocolate bar (about 70 percent cocoa), chopped
Butter. Use unsalted butter so you control the salt. Cut it into cubes so it melts evenly.
Oats. Old fashioned rolled oats keep their shape and give the cookies a pleasant chew.
Brown sugar. Packed brown sugar adds moisture and a caramel note that matches the browned butter.
Dark chocolate. A chopped bar melts into pools. Leave out the fine dust so the dough stays clean.
Baking soda. It helps the cookies spread slightly and brown. Sift it if it looks lumpy.
How to Make Brown Butter Oatmeal Cookies
1. Prepare the pans Heat the oven to 350 degrees F and line three baking trays with parchment paper. Chop the chocolate into 1/4 inch pieces and set it aside.
2. Brown the butter Melt the butter in a small saucepan over medium heat, then simmer for 3 to 5 minutes, stirring now and then, until golden flecks form at the bottom and it smells nutty. Scrape everything into a large bowl and cool for 5 minutes.
3. Whisk the dry ingredients Whisk the flour, oats, baking soda, and salt together in a medium bowl.
4. Mix the wet ingredients Whisk the brown sugar into the cooled butter, then whisk in the egg and vanilla until smooth.
5. Combine and rest Stir the dry ingredients into the wet mixture with a wooden spoon until almost combined, then fold in the chocolate. Let the dough rest for 5 minutes so it firms up.
6. Scoop and flatten Scoop heaped tablespoons of dough onto the trays, spaced 2 inches apart, and flatten each to about 1/3 inch thick. Press in any split edges.
7. Bake the cookies Bake two trays together for about 11 minutes, switching racks and turning the trays at the 7 minute mark, until the tops are light golden. Bake the third tray afterward. Cool on the tray for 10 minutes, then move to a rack.
How to Serve Brown Butter Oatmeal Cookies
Serve the cookies warm so the chocolate stays soft, with cold milk or coffee. They also sit well next to thick bakery chocolate chip cookies, soft double chocolate chip cookies, and coconut chocolate chip cookies on a mixed dessert plate, or alongside a berry kefir smoothie.
How to Store and Reheat Brown Butter Oatmeal Cookies
Store the cooled cookies in an airtight container at room temperature for up to 4 days. Freeze them for up to 3 months with parchment between the layers. To reheat, warm a cookie for 8 seconds in the microwave so the chocolate softens again.
Tips and Variations for Brown Butter Oatmeal Cookies
Watch the butter. Butter goes from golden to burnt quickly. Pull the pan off the heat as soon as it smells nutty.
Cool before mixing. Hot butter would cook the egg. Cool it for 5 minutes before whisking in the sugar and egg.
Measure the flour. Spoon and level the flour or weigh it. Too much flour makes dry cookies.
Chop by hand. Use a serrated knife for the chocolate bar, which gives cleaner pieces than a chef knife.
Even baking. Swap the trays and turn them at the 7 minute mark for even color.
Keep them chewy. Take the cookies out while the centers still look slightly soft. They firm up on the tray.
Add nuts. Fold in 1/2 cup chopped pecans or walnuts for crunch.
Raw dough safety. The dough contains raw egg and raw flour, so do not eat it before baking. General guidance from the Purdue Extension guide to storing leftovers covers safe storage for baked goods and leftovers.
Frequently Asked Questions About Brown Butter Oatmeal Cookies
Why are my brown butter oatmeal cookies flat?
Flat cookies usually come from butter that was still warm or from too little flour. Cool the browned butter fully and give the dough its 5 minute rest.
Can I freeze brown butter oatmeal cookies?
Yes. Freeze baked cookies for up to 3 months, or freeze scooped dough balls on a tray and bake them from frozen, adding 1 to 2 minutes.
How do I brown butter for brown butter oatmeal cookies?
Simmer cubed butter over medium heat, stirring, until it foams and golden flecks settle at the bottom. Remove it from the heat at once.
Can I use quick oats?
It is better to use rolled oats. Quick oats absorb more moisture and can make the dough pasty.
Can I use chocolate chips instead of a chocolate bar?
Yes. Use 1 cup of dark chocolate chips for the same amount of chocolate.
Brown Butter Oatmeal Chocolate Chip Cookies
Equipment
- Small saucepan
- Large mixing bowl
- Whisk
- Wooden spoon
- Baking trays
- Parchment paper
- Wire rack
Ingredients
Main Ingredients
- 5 oz unsalted butter cut into cubes (10 tablespoons)
- 1 cup all purpose flour
- 1 ½ cup rolled oats not quick or steel cut
- 1 tsp baking soda
- ¼ tsp kosher salt
- 1 cup brown sugar packed
- 1 large egg room temperature
- 1 tsp vanilla extract
- 7 oz dark chocolate bar about 70 percent cocoa, chopped
Instructions
Cooking
- Brown the butter. Simmer the butter in a saucepan for 3 to 5 minutes until golden flecks appear and it smells nutty, then pour into a bowl and cool 5 minutes.
- Mix the dough. Whisk in the brown sugar, egg, and vanilla, then stir in the flour, oats, baking soda, and salt until nearly combined. Fold in the chocolate and rest 5 minutes.
- Shape. Scoop heaped tablespoons onto lined trays 2 inches apart and flatten to 1/3 inch thick.
- Bake. Bake at 350 degrees F for about 11 minutes per batch, rotating the trays at 7 minutes, until the tops are light golden.
- Cool. Rest the cookies on the tray for 10 minutes, then move to a rack.
