Ingredients
Equipment
Method
Preparation
- Cream together butter and sugar until light and fluffy.
- Beat in the egg yolk and vanilla extract until well combined.
- Whisk together flour, cocoa powder, baking soda, and salt, then gradually add to the wet ingredients.
Baking
- Roll dough into small balls and place them on a baking sheet.
- Create an indentation in each cookie with your thumb and bake for 10-12 minutes.
- While cookies cool, melt chocolate chips and stir in heavy cream for the filling.
- Fill each cookie's indentation with the chocolate mixture once cooled.
Notes
Ensure butter is at room temperature for best results. Do not overbake to keep cookies soft and fudgy.