These Patriotic Sugar Cookies are a soft, delicate sugar cookie filled with red, white and blue M&M's! This is an old fashioned sugar cookie recipe that is more cakey and tender than chewy.
Whisk together flour soda, salt, and soda. Set aside.
Mix shortening, sugar, egg yolk, and vanilla until very light and fluffy in a stand mixer fitted with the paddle attachment or with a hand mixer.
Reduce speed to low and mix in flour mixture alternately with buttermilk.
Beat egg white stiff. It will whip up faster if you bring the egg white to room temperature and then beat with chilled beaters in a chilled bowl. Fold beaten egg white into batter. Fold in M&M’s.
Drop rounded tablespoons of batter onto a greased cookie sheet 3” apart.
Bake until golden brown. Mine took 8-10 minutes.
Notes
You can also chill the batter over night and they will still be light and fluffy.Recipe from Good Housekeeping 1955 Edition