Perfect Shortbread Cookies (tender & Buttery) Recipe

I created shortbread cookies that snap with a delicate crunch and dissolve into a whisper of butter and sugar, leaving you convinced this is the only cookie you’ll want on the plate.

I’m obsessed with these shortbread cookies because of one thing: butter. Real unsalted butter folded into crumbs gives a crumb that melts on the tongue, with that clean, classic butter flavor I want in every bite.

And the little secret I love is cornstarch, it makes them impossibly tender without being cakey. But it’s the silence when you bite that gets me, that soft crack and instant vanish.

Plain, honest, slightly sandy, and aggressively buttery. Seriously, I will choose one of these over any fancy dessert.

A cookie that asks for nothing and delivers everything. No apologies, just pure flavor.

Ingredients

• Unsalted butter: rich, tender base that makes cookies melt in your mouth, it’s buttery bliss.
• Confectioners sugar: gives that soft, fine crumb and subtle sweetness, it’s almost silky.
• All purpose flour: structure and light chew, it holds everything together without being tough.
• Cornstarch: adds extra tenderness and a delicate crumb, basically softens the bite.
• Fine sea salt: brightens flavor and balances sweetness, you’ll notice the contrast.
• Vanilla extract: warm, familiar scent and flavor boost, it’s a cozy little lift.
• Granulated sugar for sprinkling: gives a tiny crunch and sparkle on top, pretty and simple.

Ingredient Quantities

• 1 cup (225 g) unsalted butter, softened — not melted
• 1/2 cup (60 g) confectioners sugar, sifted
• 2 cups (260 g) all purpose flour
• 2 tablespoons (15 g) cornstarch for extra tenderness
• 1/4 teaspoon fine sea salt
• 1 teaspoon vanilla extract (optional but nice)
• granulated sugar for sprinkling, about 1 to 2 tablespoons (optional)

How to Make this

1. Preheat oven to 325°F (160°C). Line a baking sheet with parchment paper and set aside.

2. In a large bowl, beat 1 cup (225 g) softened unsalted butter with 1/2 cup (60 g) sifted confectioners sugar until pale and fluffy, about 2 to 3 minutes; don’t overbeat or it can get greasy.

3. Stir in 1 teaspoon vanilla extract if using, scrape the bowl so everything mixes evenly.

4. Whisk together 2 cups (260 g) all purpose flour, 2 tablespoons (15 g) cornstarch and 1/4 teaspoon fine sea salt in a separate bowl.

5. Add the dry mix to the butter in two additions, folding gently with a spatula or mixing on low until the dough just comes together; it will be soft but not sticky. Overworking makes the cookies tough, so stop when you see no dry streaks.

6. Turn the dough onto a lightly floured surface, press into a flat disk, wrap in plastic and chill for 20 to 30 minutes so it’s easier to handle. You can chill longer if you want cleaner shapes.

7. Roll dough to about 1/4 inch thickness and cut with a cookie cutter, or press into a tart pan and dock with a fork for classic wedges. Transfer cookies to the prepared sheet leaving space for slight spread. If dough softens while cutting, pop it back in the fridge for 10 minutes.

8. Sprinkle tops lightly with granulated sugar if you like a little crunch, then bake at 325°F (160°C) for 12 to 18 minutes, until the edges are just starting to turn a pale golden color. Don’t wait for full brown or they’ll lose that tender shortbread crumb.

9. Let the cookies cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely. They firm up as they cool so handle gently.

10. Store in an airtight container at room temp for up to a week, or freeze in a single layer and then stack with parchment between for longer keeping.

Equipment Needed

1. Oven (preheated to 325°F / 160°C)
2. Baking sheet (lined with parchment paper)
3. Parchment paper (or silicone baking mat)
4. Large mixing bowl (for creaming butter and sugar)
5. Medium bowl (for whisking flour, cornstarch and salt)
6. Electric hand mixer or stand mixer (or a sturdy whisk if you dont have one)
7. Rubber spatula (for folding and scraping the bowl)
8. Rolling pin and cookie cutters or a tart pan and fork (depending on shape you want)
9. Wire cooling rack and plastic wrap (cooling then chilling/wrapping dough)

FAQ

Perfect Shortbread Cookies (tender & Buttery) Recipe Substitutions and Variations

• Unsalted butter (1 cup) — swap with 1 cup salted butter, but cut added salt to 1/8 teaspoon; or use 1 cup solid coconut oil for a slightly tropical flavor, press extra gently since coconut oil makes dough a bit firmer.
• Confectioners sugar (1/2 cup) — make your own by pulsing 1/2 cup granulated sugar with 1 tablespoon cornstarch in a blender until powdery; or use 1/2 cup superfine/caster sugar if you don’t mind a tiny bit more crumbly texture.
• All purpose flour (2 cups) — for even more tender cookies, use 2 cups cake flour and reduce cornstarch to 1 tablespoon; for a whole grain twist use 1 1/2 cups all purpose plus 1/2 cup whole wheat pastry flour, press dough a bit less to avoid toughness.
• Cornstarch (2 tbsp) — swap with 2 tablespoons potato starch or tapioca starch for the same extra tenderness and melt-in-your-mouth feel, just sift well so it blends evenly.

Pro Tips

1. Use butter that’s soft but still cool. If it’s near-melted the dough will spread too much, but if it’s rock hard you’ll tear the dough when cutting. Press with your finger, it should give but not sink.

2. Don’t skimp on the chill. Even 30 minutes makes cutting cleaner and keeps the cookies from losing their shape. If things warm up while you work, shove the tray or scraps back in the fridge for 10 minutes, no shame.

3. Measure flour by spooning into the cup and leveling it off, don’t scoop straight from the bag. Too much flour = dry, chalky shortbread. If the dough looks dry, a tiny splash of milk or a pinch more butter helps — add very little.

4. Watch the edges, not the clock. Take them out when the edges are just turning pale gold. They’ll firm as they cool, so underbake slightly rather than waiting for full brown, or you’ll lose that tender crumb.