Old-Fashioned Sugar Cookies
["4 c. sifted flour", "1 tsp. baking soda", "1 tsp. salt", "1 c. shortening", "1 tsp. vanilla extract", "2 c. sugar", "2 egg yolks", "1 c. evaporated milk (Carnation)", "1 Tbsp. lemon juice", "2 egg whites"]
["Sift first 3 ingredients; set aside.", "Cream shortening and extract together.", "Add sugar; beat until fluffy.", "Add egg yolks, beating thoroughly.", "Mixing until well blended after each addition, alternately add dry ingredients in fourths and a mixture of evaporated milk and lemon juice in thirds to the creamed mixture. Beat egg whites until stiff peaks are formed; fold into batter. Drop by tablespoon 3-inches apart onto a greased cookie sheet. Sprinkle with a mixture of sugar and cinnamon.", "Bake at 375\u00b0 for about 10 minutes or until edges are lightly browned.", "Remove cookies to cooling rack.", "Makes around 5 dozen."]
["flour", "baking soda", "salt", "shortening", "vanilla extract", "sugar", "egg yolks", "milk", "lemon juice", "egg whites"]