Frosted Sugar Cookies
3¼ cups flour
1½ cups sugar
⅔ cup butter, room temperature
2 eggs
2½ teaspoons baking powder
2 tablespoons milk
1 teaspoon vanilla extract
½ teaspoon salt
Frosting
2 large egg whites
2 teaspoons lemon juice
3 cups powdered sugar
Combine flour, sugar, butter, eggs, baking powder, milk, vanilla and salt in a mixing bowl; beat until well incorporated, 2 to 3 minutes. Roll dough into ball, wrap with wax paper and refrigerate for 2 hours.
Heat oven to 400 degrees. Lightly flour a work surface.
Divide dough in half and return half to refrigerator. Roll out dough to about ¼-inch thickness. Cut out with cookie cutters and place on cookie sheets. Repeat with remaining dough. Bake about 7 minutes or until bottom is lightly brown.
For frosting: Whisk together egg whites and lemon juice in bowl. Add powdered sugar and stir to incorporate. Spread onto cooled cookies.
Makes about 5 dozen 2-inch cookies.