Espresso Shortbread With Toffee

My apartment smelled like a coffee shop that Sunday morning, but better. I'd been experimenting with adding espresso to baked goods for months, and when I crushed up some toffee bars to fold into the dough, something clicked. The first batch came out of the oven looking unassuming, but that first bite—crisp edges, melting butter, bitter coffee notes cutting through sweet toffee—made me sit down at the kitchen counter and just breathe for a minute. Sometimes the simplest combinations hit the hardest.

I brought a batch to my book club last winter, and we ended up sitting around the coffee table talking about these cookies longer than we discussed the book. Someone asked if I'd added sea salt, which I hadn't, but now I always keep a jar of flaky salt nearby just in case. They've become my go to when I need something that feels special but doesn't require me to spend all afternoon in the kitchen.

Ingredients

• Unsalted butter: Room temperature butter creates the tender crumb that makes shortbread melt in your mouth
• Powdered sugar: Dissolves more completely than granulated sugar, giving these cookies their signature sandy texture
• Instant espresso powder: Not ground coffee beans—you want the instant stuff that dissolves into the dough seamlessly
• Vanilla extract: Rounds out the sharp espresso notes and adds warmth
• All purpose flour: Provides structure without making these tough or cakey
• Salt: Just enough to balance the sweetness and enhance the toffee flavor
• Toffee bits: Store bought Heath bits work perfectly, or chop up your favorite toffee candy bars

Instructions

Prep your oven and pans:

Preheat oven to 350°F (175°C) and line two baking sheets with parchment paper, which prevents sticking and makes cleanup effortless.

Cream the butter and sugar:

Beat butter and powdered sugar until pale and fluffy, about 2–3 minutes—this creates pockets of air that make cookies tender.

Add the espresso and vanilla:

Mix in instant espresso powder and vanilla extract until the dough looks evenly speckled throughout.

Combine the flour and salt:

Gradually add flour and salt, mixing just until dough comes together—overmixing makes shortbread tough instead of meltingly tender.

Fold in the toffee:

Stir in toffee bits by hand so you dont crush them, distributing them evenly through every scoop of dough.

Shape and space the cookies:

Scoop tablespoon sized dough balls onto prepared sheets, spacing 2 inches apart, then flatten slightly with your palm or a glass.

Bake until golden:

Bake 16–18 minutes until edges are lightly golden—these bake pale, so dont wait for deep color or theyll be overdone.

Cool completely:

Let cookies rest on baking sheet for 5 minutes, then move to a wire rack until completely cool.

Save

My sister texted me at midnight after I'd left a container of these on her porch, saying she'd eaten three while standing in her kitchen in pajamas. That's the thing about shortbread—it's the cookie you eat when no one's watching, then find yourself thinking about days later. Something about that combination of bitter coffee and sweet caramel just sticks with you.

Making These Your Own

I've swapped in chopped dark chocolate for half the toffee bits, creating a mocha variation that disappeared even faster than the original. A friend of mine adds chopped pecans along with the toffee, which adds this incredible nutty crunch that plays beautifully against the espresso. During the holidays, I sometimes roll the dough logs in sparkling sugar before slicing—looks fancy and adds this delightful crunch on the edges.

Storage Secrets

These actually improve after a day or two, which is rare for cookies. The flavors meld together, the toffee softens slightly, and the espresso permeates every bite more thoroughly. I keep mine in a tin on the counter, though they've never lasted long enough to test that one week guideline. If you're baking ahead for a party or gift giving, store the baked cookies in the freezer and thaw them at room temperature—they're just as good as fresh.

Serving Suggestions

These are perfect alongside a cup of black coffee, obviously, but I've also served them with vanilla ice cream as a simple dessert. One afternoon I crumbled a few over chocolate pudding, and the texture combination was absolute perfection. They're elegant enough for a tea party but casual enough for a weekday afternoon treat.

• Press flaky sea salt into the tops before baking for a salted toffee version
• Dip half of each cooled cookie in melted dark chocolate for an extra special finish
• Make smaller, bite sized versions for cookie platters or holiday gifting

Save

Hope these bring a little coffee shop warmth to your kitchen, no matter the season.

Recipe FAQs

→ Can I use instant coffee instead of espresso powder?

Instant coffee works as a substitute, though espresso powder provides a more concentrated, robust flavor. If using instant granules, grind them finer before mixing into the dough.

→ What's the best way to store these cookies?

Store in an airtight container at room temperature for up to one week. The buttery shortbread texture remains fresh, and the toffee bits stay crunchy. For longer storage, freeze unfrosted cookies for up to three months.

→ Why did my dough crumble apart?

Shortbread dough naturally feels crumbly before baking. If it's too dry to scoop, let it sit at room temperature for 5–10 minutes—the butter will soften slightly, making it easier to work with. Avoid overmixing, which can toughen the texture.

→ Can I make the dough ahead of time?

Yes, wrap the dough tightly in plastic and refrigerate for up to 3 days before baking. Let it soften slightly at room temperature before scooping and baking. You can also freeze the dough balls and bake straight from frozen, adding 1–2 minutes to the bake time.

→ What type of toffee bits work best?

Heath bits are commonly used and widely available. Homemade toffee pieces work wonderfully too—just break into small, even chunks. For a mocha variation, swap half the toffee for finely chopped dark chocolate.

→ How do I know when they're done baking?

Look for lightly golden edges—the centers should remain pale. Shortbread firms up as it cools, so removing them while slightly underbaked ensures a tender, crumbly texture rather than hard cookies.