Chocolate Chip Shortbread Cookies

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1 C + 2 T salted butter, cut into chunks
1/2 C sugar
1/4 C light brown sugar
1 t vanilla
2-1/2 C all purpose flour
6 oz chocolate chips
1 egg
Demerara sugar, for rolling
1. Line two rimmed baking sheets with parchment paper. 
Using a stand mixer fitted with the paddle attachment or an electric hand mixer, beat the butter, both sugars, and vanilla on medium-high till it's super light and fluffy (3 to 5 minutes for a stand mixer; 6 to 8 for a hand mixer). Using a spatula, scrape down the sides of the bowl and, with the mixer on low, slowly add the flour, followed by the chocolate chips, and mix just to blend. If necessary, knead the dough with your hands to make sure the flour is totally incorporated. 
2. Divide the dough in half, placing each half on a large piece of plastic wrap. Fold the plastic over so that it covers the dough to protect your hands from getting all sticky. Using your hands, form the dough into a log shape; rolling it on the counter will help you smooth it out, but don't worry about getting it totally perfect. (Don't be afraid to make them compact. Shortbread is supposed to be dense.) Each half should form a 6-inch log, 2 to 2¼-inches in diameter. Chill until totally firm, about 2 hours.
3. Heat the oven to 350 degrees. Brush the outside of the logs with the beaten egg and roll them in the demerara sugar (this is for those really delicious, crisp edges).
4. Using a serrated knife, carefully slice each log into ½-inch-thick rounds. If the cookies break or fall apart, just press them back together - the dough is very forgiving. Place them on the prepared baking sheets about 1 inch apart (they won't spread much). Bake until the edges are just beginning to brown, 12 to 15 minutes. Let cool slightly before eating them all.
Make ahead: The cookie dough can be made ahead and stored, tightly wrapped in plastic, up to 1 week in the refrigerator, or 1 month in the freezer. Cookies can be baked and stored in plastic wrap or an airtight container for 5 days.

Variation - Chill dough in plastic wrap. Then scoop into 1-in balls, flatten slightly and dip in demerara sugar and then bake as directed, or slightly longer.


Member since Dec 2009

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