Chocolate Heart Sandwich Cookies with White Chocolate Ganache
Rich chocolate cookies filled with fluffy white chocolate ganache create an irresistible treat perfect for Valentine's Day or any romantic occasion. The tender cocoa cookies provide a beautiful contrast to the sweet, creamy filling, while optional heart-shaped cutouts add visual appeal. These sandwich cookies require some patience for chilling and assembly but reward you with bakery-quality results that are ideal for gifting or special celebrations.
Ingredients
- 1 cup butter, at room temperaturevegan butter1:1vegandairy-free
Use room temperature vegan butter for best creaming results
Full guide → - 1 cup sugar
- 1 egg
- 1 teaspoon vanilla
- 2 ½ cups flour
- ½ cup cocoa powder
- 1 teaspoon baking soda
- ¼ teaspoon salt
- ½ cup heavy cream
- 1 ½ tablespoons corn syrup
- ¾ pound white chocolate, melted
- 2 tablespoons butter, at room temperaturevegan butter1:1vegandairy-free
Use room temperature vegan butter for best creaming results
Full guide → - 2 teaspoons vanilla
- sprinkles, to finish(optional)
Instructions
- 1
Preheat oven to 350 degrees and line baking sheets with parchment
- 2
Cream butter and sugar until fluffy, then beat in egg and vanilla until well combined
- 3
Whisk together flour, cocoa powder, baking soda, and salt, then slowly mix into butter mixture until combined, scraping bowl sides as needed
- 4
Wrap dough in plastic and chill if too soft to roll
- 5
Dust work surface with cocoa powder and roll dough to 1/8-1/4 inch thickness
- 6
Cut shapes with heart-shaped cookie cutter, creating cutout windows on half the cookies with smaller cutter if desired
- 7
Place cookies on baking sheets and bake for 8-10 minutes
- 8
Cool cookies for a few minutes, then transfer to cooling rack
- 9
Heat cream and corn syrup in saucepan, add melted chocolate and stir to combine
- 10
Add butter and vanilla to ganache and mix until smooth
- 11
Pour ganache into heatproof bowl, cover with plastic, and refrigerate until thick, stirring occasionally
- 12
Beat chilled ganache with electric mixer until light and fluffy
- 13
Transfer ganache to sealed plastic bag, cut corner, and pipe onto flat side of one cookie
- 14
Top with second cookie to form sandwich
- 15
Dip edges in sprinkles or sprinkle cutout areas with sprinkles
- 16
Chill assembled cookies until ganache is set
Tips
Chill dough between rolling and cutting if it becomes too soft to handle easily.
Beat the ganache just until fluffy to avoid overwhipping and breaking the mixture.
Store assembled cookies in refrigerator to keep ganache firm and prevent melting.
Good to Know
Store in airtight container in refrigerator for up to 5 days. Bring to room temperature before serving for best texture.
Cookies can be baked up to 3 days ahead and stored unfilled. Ganache can be made 1 day ahead and rewhipped before assembly.
Serve at room temperature for optimal flavor and texture. Remove from refrigerator 15-20 minutes before serving.
Common Mistakes
Chill dough to avoid spreading during baking.
Don't overbeat ganache to prevent breaking and graininess.
Cool cookies completely to prevent ganache from melting during assembly.
Substitutions
Use room temperature vegan butter for best creaming results
Full guide →FAQ
Can I make these cookies ahead of time?
Yes, bake cookies up to 3 days ahead and store unfilled. Assemble with fresh ganache within 24 hours of serving for best results.
What if my ganache is too thin?
Refrigerate longer until it thickens to spreadable consistency. If still thin after 2 hours, whisk in small amounts of powdered sugar.
How long do assembled cookies keep?
Store assembled cookies in refrigerator for up to 5 days in airtight container. The ganache helps maintain cookie moisture.