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Espresso Toffee Shortbread Heart Cookies

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4.3 from 34 reviews

These luxurious Valentine’s Espresso-Toffee Shortbread Hearts are tender, buttery cookies infused with bold espresso and studded with crisp chocolate-toffee pieces. Elegantly heart-shaped and finished with a dusting of confectioners’ sugar, they offer a rich, aromatic treat perfect for gifting or a romantic dessert during February. With a melt-in-your-mouth texture and a delicate espresso flavor, these modern American-inspired cookies are a sophisticated twist on classic shortbread.

Ingredients

Scale

Espresso Mixture

  • 1 tbsp instant espresso powder
  • 1 tbsp boiling water

Shortbread Dough

  • 1 cup unsalted butter, room temperature
  • ⅔ cup confectioners’ sugar (plus extra for dusting)
  • ½ tsp vanilla extract
  • 2 cups all-purpose flour
  • 1 chocolate-covered toffee bar (3.54 oz), finely chopped

Instructions

  1. Prepare Espresso Mixture: Stir the instant espresso powder into boiling water until fully dissolved and silky smooth. Let the mixture cool slightly before use to ensure it does not melt the butter in the dough.
  2. Cream Butter + Sugar: Using a mixer, beat the room temperature unsalted butter and confectioners’ sugar together for about 3 minutes until the mixture is pale, fluffy, and creamy, forming the tender base for the cookies.
  3. Add Flavor: Beat in the vanilla extract along with the cooled espresso mixture until evenly combined to infuse the dough with aromatic espresso flavor.
  4. Add Flour: Reduce the mixer speed to low and gradually add the all-purpose flour. Mix until a soft, cohesive dough forms that holds together without being sticky.
  5. Add Toffee Pieces: Gently fold in the finely chopped chocolate-toffee chunks to distribute the crispy, sweet bits evenly throughout the dough without breaking down the chunks.
  6. Shape + Chill: Transfer the dough to a large zip-top bag, roll it out into a flat rectangle approximately 9×11 inches and about ¼ inch thick. Seal the bag and chill the dough for at least 2 hours or up to 48 hours to firm it for easier cutting and baking.
  7. Cut into Hearts: Remove the chilled dough from the bag and use a heart-shaped cookie cutter to cut out the cookies. Arrange them on a parchment-lined baking sheet. For a traditional shortbread look, gently poke each cookie with a fork.
  8. Bake: Preheat the oven to 325°F (163°C). Bake the cookies for 18–20 minutes until the edges turn pale golden, indicating they are perfectly baked but still tender inside.
  9. Dust + Cool: While the cookies are still warm, dust generously with confectioners’ sugar for a delicate, shimmering finish. Cool the cookies completely on a rack to achieve a crisp texture.
  10. Store: Store the cooled cookies in an airtight container. They will keep fresh and delicious for up to 3 weeks, making them ideal for gifting or enjoying over time.

Notes

  • Increase the espresso powder to 1 ½ tablespoons for a deeper, more intense espresso flavor.
  • Add a pink sugar dusting on top for a festive Valentine’s twist and extra color.
  • For a dramatic finish, dip half of each cooled cookie in melted dark chocolate and let set before storing.
  • Chop the toffee pieces finely to prevent spreading during baking and maintain even texture.