Ingredients
Equipment
Method
Make and bake the cookies
- Heat the oven to 350°F.
- Line an 18x13-inch baking sheet with parchment paper.
- Beat the softened unsalted butter and granulated sugar in a medium bowl until creamy, about 2 minutes.
- Beat in the large egg yolk and vanilla extract.
- Add the all-purpose flour and salt, and mix just until a soft dough forms.
- Roll the dough into 24 balls, about 1 tablespoon each.
- Place the dough balls 2 inches apart on the baking sheet.
- Press a shallow indentation into the center of each ball with your thumb.
- Bake for 10–12 minutes, until the cookies are set and just beginning to turn golden at the edges.
Finish the cookies
- Immediately press an unwrapped Hershey's Kisses milk chocolate into the center of each warm cookie, gently deepening the indentation if needed.
- Let the cookies cool on the baking sheet for 5 minutes.
- Transfer the cookies to a wire rack to cool completely.
Notes
Press the chocolates into the cookies while they are warm so they settle into the centers. Store in an airtight container at room temperature for up to 5 days; freeze for up to 2 months. For a dairy-free variation, use plant-based butter and dairy-free chocolate kisses.