There's something about Christmas cookies that makes me want to believe December is all twinkle lights, pretty tins, and peaceful afternoons in the kitchen instead of realizing at 9 p.m. that I forgot to order somebody's gift. These brown butter icebox cookies are perfect for that imaginary version of me: slice, bake, decorate if I'm feeling ambitious, and tuck them into a tin like I've hired a Christmas fairy. Nobody needs to know otherwise.
Table of Contents
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🥰 Is this icebox cookie recipe for you?
- You love make-ahead cookies. Mix and shape the dough now, then let the refrigerator or freezer babysit it until you're ready to bake.
- You want easy Christmas cookies that still look special. Because December has enough competitive obstacle jumping already.
- You're a slice-and-bake fan. No rolling pins, cookie cutters, or flour coating every horizontal surface in the kitchen.
- You like cookies with a little personality. These aren't the beige, forgettable ones left rattling around the cookie tray on December 27.
- You need a cookie that can dress up or down. Add Christmas icing, roll the edges in colored sugar, or leave them plain when your holiday spirit has clocked out early.
🧾 Ingredients
The only real trick is giving the butter a little extra attention before everything gets stirred together, and I promise it's worth dirtying the saucepan.
- Butter - Use unsalted butter so you can control the salt. Keep an eye on it while browning because there's a very short trip between beautifully toasted and tiny black bits of scorched regret. Watch the video below for specifics.
- Sugar - Regular granulated sugar gives the cookies sweetness and those crisp edges.
- Egg yolks - Add richness and help give the cookies that tender, crumbly texture.
- Vanilla - Rounds everything out and makes the kitchen smell like somebody competent lives there.
- Rum - Just a splash adds warmth and depth. Dark or aged rum is my favorite here. You can substitute water if you prefer.
- Flour - Regular all-purpose flour is all you need. Measure carefully so the cookies stay tender rather than dry.
- Salt - Don't skip it. It balances the sweetness and makes all those deep, buttery flavors stand up and behave.
📖 Recipe
Brown Butter Icebox Cookies
Print Pin Recipe Rate RecipeIngredients
- 1 cup butter
- 1 cup granulated sugar
- 2 egg yolks
- 1½ teaspoons vanilla extract
- 1 tablespoon dark rum, optional - can substitute with 1 tablespoon water or cooled espresso
- 2½ cups all-purpose flour
- ½ teaspoon salt
- 1 tablespoon cold water, more as needed
- Additional granulated sugar, for rolling the dough logs
Instructions
Brown the Butter
- Melt the butter in a light-colored saucepan over medium heat.
- Continue cooking, stirring or swirling frequently, until the butter foams and the milk solids on the bottom turn deep golden brown and smell toasted and nutty.
- Remove from the heat immediately. Scrape the butter and all of those browned milk solids into a mixing bowl.
- Cool slightly. Let the browned butter cool for about 5 to 10 minutes. It should still be liquid but no longer piping hot.
Mix the dough
- Stir the sugar, vanilla, rum, 1 tablespoon of water, and salt into the cooled, melted brown butter. Mix in the egg yolks until well combined.
- Add the flour. Stir in the flour just until well mixed. The dough will be soft and somewhat crumbly.
- Adjust if necessary. Squeeze some dough firmly in your hand. If it won't hold together or falls apart when you try to shape it, mix in cold water 1 teaspoon at a time, stopping as soon as the dough can be firmly compressed into a log. Don't add enough to make the dough sticky.
Shape the logs and chill
- Divide the dough in half and firmly compress each half into a smooth log.
- Roll the outside of each log in granulated sugar.
- Wrap tightly in parchment paper or plastic wrap.
- Refrigerate for at least 2 hours, or until the logs are completely firm. Overnight is fine, too.
Slice and bake
- Preheat the oven to 350°F. Line baking sheets with parchment paper.
- Unwrap the chilled dough and cut into approximately ¼-inch-thick slices. Arrange the cookies on the prepared baking sheets.
- Bake for 10 to 14 minutes, checking at 10 minutes. The cookies are ready when they're set and the edges are just beginning to turn golden. Don't wait for the tops to brown. They should be 195℉ when the center is checked with an instant read thermometer.
- Cool. Let the cookies cool on the baking sheet for about 5 minutes before carefully transferring them to a cooling rack. They'll be delicate while warm and will firm as they cool.
- Once completely cool, decorate as desired.
Notes
- Don't throw away the brown bits in the butter. The toasted milk solids are where much of the brown-butter flavor lives, so scrape every last bit from the pan.
- For an even more Christmas-y version: roll the dough logs in red, green, and white sanding sugar instead of plain granulated sugar. Then you could skip the icing entirely.
Nutrition Facts
Nutrition information is estimated as a courtesy. If using for medical purposes, please verify information using your own nutritional calculator. Percent Daily Values are based on a 2000 calorie diet.
This recipe has been tested several times. If you choose to use other ingredients, or change the technique in some way, the results may not be the same.
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🎥 Video: How to make brown butter
😱 What can go wrong (and how to fix it)
🧈 The butter burns. Once those milk solids start turning brown, things move fast. Pull the pan from the heat when they're deep golden brown and smell nutty, then immediately pour everything into your mixing bowl to stop the cooking.
🧈 The dough won't hold together. Browning cooks water out of the butter, and every batch loses a slightly different amount. Add cold water 1 teaspoon at a time until the dough holds together when you squeeze it.
🧈 The dough is sticky. You've gone a little too far with the water. Chill the dough for 15-20 minutes before shaping rather than immediately throwing more flour at it.
🧈 The cookies aren't perfectly round. Slice and bake cookies can be hard to keep round. Rotate the chilled log a few times while slicing, or gently reshape each slice with your fingers. They don't have to be perfect, we're making Christmas cookies, not replacement parts for NASA.
🧈 The cookies crumble when you slice them. Be sure to let them thaw a few minutes if frozen and use a sharp knife with a firm downward movement. Don't slice back and forth unless they are very soft.
🧈 The cookies spread. The dough wasn't cold enough. Chill those logs until they're very firm before slicing and get the sliced cookies into the oven while they're still cold.
🧈 The cookies crumble when you move them. They're especially delicate straight from the oven. Leave them on the baking sheet for about 5 minutes before transferring them to a cooling rack.
🧈 The cookies turn out dry or hard. Too much flour or too much baking time is usually the culprit. Measure the flour carefully and pull the cookies when they're set with just a hint of golden color around the edges.
👩🏻🍳 FAQs
Yes. Wrap any leftover dough logs tightly in plastic wrap or parchment, then tuck them into an airtight container or freezer bag before returning them to the freezer. If you've already sliced the dough, layer the cookie rounds between pieces of parchment or waxed paper and freeze them in an airtight container.
I like to slice them while they are frozen and on several layers of a clean, folded tea towel. Prior to slicing I measure out ¼ inch sections and make a notch in the dough. Then I slice straight down with a very sharp knife, give the dough a quarter roll, and slice the next cookie.
🍽 More holiday cookie recipes
🏡 Christmas baking doesn't have to involve twelve bowls, three piping bags, and a minor emotional event. Keep a log of these brown butter icebox cookies tucked in the refrigerator and you're never more than a few slices away from a fresh batch. Dress them up with Christmas icing or colored sugar for the holidays, or leave them gloriously plain the rest of the year. Frankly, that's the kind of preparedness life deserves. 🍪
Oh, and one more thing. These do not scream Christmas cookie unless they are decorated so they are delicious anytime of the year. If slice-and-bake cookies are your kind of low-effort magic, try my lavender cookies next. They're just as easy to keep chilled and slice whenever the cookie emergency strikes.
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