Step 1

Preheat the oven to 350°F and prepare a sheet pan by lining it with parchment paper.

Step 2

With a mixer, beat the butter and sugar together until creamy, about 1 minute.

Step 3

Beat in the egg whites and peppermint extract until completely combined.

Step 4

Whisk the all-purpose flour and baking soda together in a separate bowl. Transfer to the bowl with butter and sugar mixture and beat until just combined.

Step 5

Fold in white chocolate chips and crushed peppermint candy until just combined.

Step 6

Scoop 2 tablespoon balls of dough, roll into balls and place on the prepared sheet pan, leaving 2 inches between each cookie.

Step 7

Bake in the oven for 8 to 10 minutes or until the edges are set and starting to brown.

Step 8

Allow cookies to cool for about 10 minutes before plating and serving.