01 -
Set oven temperature to 350°F (177°C).
02 -
Beat salted butter and granulated sugar together until pale and fluffy.
03 -
Blend in the egg white and vanilla extract until the mixture is smooth and cohesive.
04 -
Add all-purpose flour and baking powder, mixing until a dough forms.
05 -
Roll dough to 1/4 to 1/2 inch thickness. Cut into circles with a round cutter. Arrange on an ungreased baking sheet.
06 -
Bake for 6–8 minutes, or until cookies are puffed and surfaces appear set. Do not overbake.
07 -
Transfer cookies to a wire rack and allow to cool completely before assembling.
08 -
Microwave caramels with milk in a heatproof bowl for 1 minute, stirring after 30 seconds, until smooth and creamy.
09 -
Spoon a few teaspoons of molten caramel onto each cooled cookie, spreading to nearly cover the surface.
10 -
Refrigerate cookies with caramel for 10–15 minutes or until caramel layer is firm and cold.
11 -
Microwave milk chocolate chips in 30-second intervals, stirring between each, until completely melted.
12 -
Spread melted chocolate over each caramel-topped cookie to finish.