Polish Bow Ties
["1/2 pt. sour cream", "1 doz. egg yolks", "1 tsp. salt", "3 Tbsp. sugar", "5 c. flour", "1 Tbsp. vanilla"]
["Add salt to egg yolks; beat 10 minutes.", "Add sugar and vanilla; knead until dough blisters.", "Roll out very thin.", "Cut, twist and fry in deep fat.", "Sprinkle with powdered sugar."]
["sour cream", "egg yolks", "salt", "sugar", "flour", "vanilla"]