I’m excited to share my Soft Butter Cookies Recipe that yields delicate, tender swirls with a classic design that looks impressive yet is surprisingly easy to make at home.

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I can’t stop staring at these Soft Butter Cookies Recipe photos before I even bake them. I promise they are delicate, tender and totally melt in your mouth buttery, and that classic swirl looks way fancier than it is.

I like using unsalted butter softened for the texture and sometimes fold in a ribbon of unsweetened cocoa powder for a chocolatey twist that makes them feel extra sly. They’re the kind of Yummy Cookies that make you do a double take, wondering how something so simple tastes so rich.

Honestly, you’ll probably want to hide the stash, no shame.

Ingredients

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Creamy butter adds richness and tenderness, lots of fat and calories, not very healthy.
Granulated sugar make them sweet and brown, gives chew and bulk, no real nutrients.
Egg yolk adds richness and color, helps bind dough, has protein and fats.
All purpose flour is mostly carbs, gives structure but can make cookies dense.
Cornstarch softens crumb and reduces gluten, so cookies stay tender and soft.
Pure vanilla brings warm aroma and depth, tiny calories but big flavor boost.
Cocoa gives chocolate notes with little sugar, some antioxidants, can add bitterness.
Baking powder gives gentle lift, tiny sodium, helps cookies be light not flat.

Ingredient Quantities

1 cup (226 g) unsalted butter softened

3/4 cup (150 g) granulated sugar

1 large egg yolk

1 tsp pure vanilla extract

2 1/4 cups (280 g) all purpose flour

2 tbsp (14 g) cornstarch

1 tsp baking powder

1/4 tsp fine salt

2 tbsp (10 g) unsweetened cocoa powder for the chocolate swirl

1 tbsp (15 ml) milk or heavy cream optional

How to Make this

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1. Preheat oven to 350°F (175°C) and line baking sheets with parchment paper or a silicone mat.

2. Beat 1 cup softened unsalted butter with 3/4 cup granulated sugar until light and fluffy, about 2 to 3 minutes, then mix in 1 large egg yolk and 1 tsp vanilla until combined. Use room temp butter for best creaming.

3. Whisk together 2 1/4 cups all purpose flour, 2 tbsp cornstarch, 1 tsp baking powder and 1/4 tsp fine salt, then add to the butter mix a little at a time, stirring just until it comes together — dont overmix or cookies get tough.

4. Divide dough into two equal portions. Keep one plain, put the other in a bowl and stir in 2 tbsp unsweetened cocoa powder; if it seems dry add up to 1 tbsp milk or heavy cream to bring it to a pliable, spreadable texture.

5. On a piece of plastic wrap press each portion into a rough rectangle of the same size, stack the chocolate piece on top of the plain one, then roll from the long side into a tight log to create the swirl; wrap well and pinch the seam to seal. (Alternative: make two equal logs and nest one against the other before rolling for a different swirl.)

6. Chill the wrapped log(s) in the fridge until very firm, at least 1 hour and up to overnight, this is key for clean slices.

7. Unwrap and slice the log into rounds about 1/4 inch (6 mm) thick using a sharp knife or bench scraper, wiping the blade between cuts if it sticks; if slices crack, chill a few minutes and try again.

8. Arrange slices on the prepared baking sheets about 1 inch apart, bake on the middle rack for 10 to 12 minutes until edges are set but centers still look soft, dont let them brown.

9. Let cookies cool on the sheet for 2 to 3 minutes then transfer to a wire rack to cool completely. Store in an airtight container for up to 4 days, or freeze for longer.

Equipment Needed

1. Oven (preheat to 350°F / 175°C)
2. Baking sheets and parchment paper or a silicone baking mat
3. Electric mixer or a sturdy wooden spoon for creaming butter and sugar
4. Mixing bowls (one large, one medium)
5. Whisk and rubber spatula for combining and scraping the bowl
6. Measuring cups and spoons
7. Plastic wrap or cling film to shape and chill the logs, dont skip chilling
8. Sharp knife or bench scraper for clean slices
9. Wire cooling rack

FAQ

How do I keep these cookies soft? Let them out of the oven when the edges are set but centers still look a bit underbaked, then cool on the baking sheet for 5 to 7 minutes so they finish gently. Room temp butter, cornstarch in the dough, and not overmixing all help keep them tender.

Can I make the dough ahead or freeze it? Yep. Chill the dough in the fridge up to 3 days, or freeze scooped dough balls in an airtight bag for up to 3 months. Bake straight from frozen, just add about 1 to 2 minutes to the bake time.

Is it ok to use salted butter or another swap? You can use salted butter, but skip or cut back the added salt to taste. Real butter gives the best flavor and texture. Using a whole egg instead of just the yolk will make them a bit cakier, not as rich.

How do I make the chocolate swirl without messing up the dough? Take about 2 tablespoons of dough, mix it with the cocoa and a splash of milk or cream to loosen it. Either press little streaks on top of each cookie and marble lightly with a toothpick, or layer small bits of plain and cocoa dough and roll together for a rustic swirl.

What oven temp and baking time should I use? Bake at 350°F (175°C). For medium cookies, plan on 9 to 12 minutes. Times vary by oven and cookie size, so watch for set edges and soft centers.

Why is there cornstarch and baking powder in the recipe? Cornstarch softens the crumb and makes the cookies tender, while baking powder gives a gentle lift so they stay soft instead of flat and dense. If you skip them the texture will change noticeably.

Soft Butter Cookies Recipe Substitutions and Variations

Unsalted butter (1 cup / 226 g): swap with salted butter 1:1, just skip about 1/4 tsp of the added salt. For a dairy free option use 1 cup solid coconut oil or a vegan stick butter 1:1, cookies will be a bit less rich and may spread differently.
Granulated sugar (3/4 cup / 150 g): use light brown sugar 1:1 for a chewier, more caramel flavor, or coconut sugar 1:1 if you want a less sweet, slightly nutty note — color will be darker.
All purpose flour (2 1/4 cups / 280 g): swap with pastry or cake flour 1:1 to get a softer, more tender cookie. For gluten free use a 1:1 GF all purpose blend that contains xanthan gum, same volume.
Cornstarch (2 tbsp / 14 g): use tapioca starch or potato starch 1:1 — they do the same tenderizing job and keep the cookies soft.

Pro Tips

1. Use butter that is soft but not greasy, press a finger in it and it should spring back a little; if it looks oily or melts too fast, put it in the fridge for a few minutes, otherwise the dough will spread weird.

2. Chill the log until really firm, at least one hour or overnight if you can, it makes slicing way cleaner. If you need extra tidy rounds, freeze the wrapped log for 15 to 30 minutes then slice, or use unflavored dental floss to cut instead of a knife, its way less sticky.

3. When you add the cocoa, add the milk teaspoon by teaspoon only if the dough seems dry, dont overwork that chocolate part or youll lose the tender crumb and the swirl will look dull.

4. Watch the bake time closely, take them out when the edges are set but the centers still look a bit soft, that stops them from getting brown and dry. Let them cool on the sheet a few minutes then move to a rack, and store airtight with a slice of bread if you like them soft.

Soft Butter Cookies Recipe

Recipe by Kate Sinclair

0.0 from 0 votes

I’m excited to share my Soft Butter Cookies Recipe that yields delicate, tender swirls with a classic design that looks impressive yet is surprisingly easy to make at home.

Servings

servings

Calories

141

kcal

Equipment: 1. Oven (preheat to 350°F / 175°C)
2. Baking sheets and parchment paper or a silicone baking mat
3. Electric mixer or a sturdy wooden spoon for creaming butter and sugar
4. Mixing bowls (one large, one medium)
5. Whisk and rubber spatula for combining and scraping the bowl
6. Measuring cups and spoons
7. Plastic wrap or cling film to shape and chill the logs, dont skip chilling
8. Sharp knife or bench scraper for clean slices
9. Wire cooling rack

Ingredients

1 cup (226 g) unsalted butter softened
3/4 cup (150 g) granulated sugar
1 large egg yolk
1 tsp pure vanilla extract
2 1/4 cups (280 g) all purpose flour
2 tbsp (14 g) cornstarch
1 tsp baking powder
1/4 tsp fine salt
2 tbsp (10 g) unsweetened cocoa powder for the chocolate swirl
1 tbsp (15 ml) milk or heavy cream optional

Directions

Preheat oven to 350°F (175°C) and line baking sheets with parchment paper or a silicone mat.
Beat 1 cup softened unsalted butter with 3/4 cup granulated sugar until light and fluffy, about 2 to 3 minutes, then mix in 1 large egg yolk and 1 tsp vanilla until combined. Use room temp butter for best creaming.
Whisk together 2 1/4 cups all purpose flour, 2 tbsp cornstarch, 1 tsp baking powder and 1/4 tsp fine salt, then add to the butter mix a little at a time, stirring just until it comes together — dont overmix or cookies get tough.
Divide dough into two equal portions. Keep one plain, put the other in a bowl and stir in 2 tbsp unsweetened cocoa powder; if it seems dry add up to 1 tbsp milk or heavy cream to bring it to a pliable, spreadable texture.
On a piece of plastic wrap press each portion into a rough rectangle of the same size, stack the chocolate piece on top of the plain one, then roll from the long side into a tight log to create the swirl; wrap well and pinch the seam to seal. (Alternative: make two equal logs and nest one against the other before rolling for a different swirl.)
Chill the wrapped log(s) in the fridge until very firm, at least 1 hour and up to overnight, this is key for clean slices.
Unwrap and slice the log into rounds about 1/4 inch (6 mm) thick using a sharp knife or bench scraper, wiping the blade between cuts if it sticks; if slices crack, chill a few minutes and try again.
Arrange slices on the prepared baking sheets about 1 inch apart, bake on the middle rack for 10 to 12 minutes until edges are set but centers still look soft, dont let them brown.
Let cookies cool on the sheet for 2 to 3 minutes then transfer to a wire rack to cool completely. Store in an airtight container for up to 4 days, or freeze for longer.

Notes

Below you’ll find my best estimate of this recipe’s nutrition facts. Treat the numbers as a guide rather than a rule—great food should nourish both body and spirit. Figures are approximate, and the website owner assumes no liability for any inaccuracies in this recipe.