Preheat oven to 325 degrees F.

Line a baking sheet with parchment paper.

Whisk the first 6 ingredients together in a bowl. Set aside.

In a stand mixer add the egg whites, butter, extract and stevia.

Blend until combined.

Slowly pour in the dry ingredients and blend until mixed well.

Pour in the chocolate chips and stir on low until mixed.

Use your hands to press and spread dough over the baking pan as evenly as possible, 8 by 12 inches.

Cover with a piece of parchment and use a rolling pin to smooth surface.

Remove parchment and sprinkle copped candy canes if desired.

Bake for 15 minutes.

Score into 24 pieces with an oiled pizza cutter.

Bake for additional 5 minutes.

Allow to cool completely.

Cut with a clean knife and store in the fridge or freezer.