Sugar Cookies
["4 c. flour", "1 tsp. baking soda", "1/2 tsp. salt", "1 1/2 c. sugar", "1 1/2 c. shortening or oleo", "1/2 c. sour milk or buttermilk", "1 tsp. vanilla", "2 eggs"]
["I put vinegar in milk and let it stand 5 minutes until it curdles."]
["flour", "baking soda", "salt", "sugar", "shortening", "sour milk", "vanilla", "eggs"]