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32
cookiesMedium
1 hr 30
Prepare your mise en place.
Place the butter in the bowl of a standing electric mixer fitted with the paddle. With the motor on low speed, begin mixing the butter. Add the sugar, raise the speed to medium, and beat until light and fluffy. Add the egg and egg yolk, one at a time, frequently scraping down the sides of the bowl with a rubber spatula, and beat until thoroughly combin