Chocolate-Peppermint Linzer Cookies

Ingredients

• Peppermint White Chocolate Ganache
• 20 (95g) peppermint hard candies, unwrapped
• ½ cup (115g) heavy cream
• 6 ounces (170g) finely chopped white chocolate
• Pinch of fine sea salt
• Cookies
• 10 tablespoons (142g) unsalted butter, at room temperature
• ⅔ cup (132g) granulated sugar
• ¼ cup (53g) light brown sugar
• 1 large (56g) egg, at room temperature
• 1 large (21g) egg yolk, at room temperature
• 1 teaspoon vanilla extract
• ¼ teaspoon peppermint extract
• 2 cups (240g) all-purpose flour
• ½ cup (43g) cocoa powder (preferably dark or black cocoa )
• ¼ teaspoon baking powder
• ½ teaspoon fine sea salt
• Finishing
• ¾ cup (173g) heavy cream
• Reserved crushed peppermints (see step 1)