These brown butter oatmeal cookies are perfectly chewy with slightly crisp edges. The vanilla, cinnamon, and nutmeg in the dough create a heavenly cozy cookie perfect for fall and winter.
Brown the butter: Melt the butter in a small saucepan over medium heat, stirring or whisking constantly to prevent burning. It's done when it smells nutty and the bubbling butter develops a film on top. You'll start with 170g and end with about 140g. If you have less than 140g, add milk until you reach 140g.
170 grams unsalted butter
Allow the butter to cool, then mix it with the brown sugar, granulated sugar, vanilla, egg, and egg yolk.
Chill 30 minutes to an hour before baking at 350°F for best results.
Bake for 11–12 minutes. Let the cookies cool on the pan for 5 minutes before moving to a cooling rack.
Notes
Chilling: I've skipped chilling and they baked fine, but chilling or resting the dough creates a deeper flavor and even better texture.Doneness: Take them out when the edges are slightly browning and the center is matte and domed (not shiny or raw). They collapse a bit while cooling — pulling them before they overbake is essential for a perfectly chewy cookie.Brown butter: Make sure you have a full 140g of brown butter (add milk if you're short) to keep the dough from turning dry and crumbly.