Kolacky(Nut-Poppy Seed Rolls)  
["1 c. lukewarm water", "2 yeast cakes", "4 1/2 c. flour", "4 Tbsp. sugar", "1/2 c. butter (room temperature)", "1 tsp. salt", "2 egg yolks"]
["Crumble yeast into a small bowl.", "Add water and sugar; let stand in warm place until double.", "Place flour in large bowl.", "Add butter; blend with a pastry cutter.", "Make a well; add egg yolks, salt and yeast mixture.", "Mix dough until smooth and dough leaves the side of the bowl and hands clean.", "Divide dough into 4 pieces. Roll out as thin as possible (rectangular shape).", "Spread with filling (nuts and poppy seed, or any filling you wish).", "Roll and place on greased baking pan.", "Let stand in warm place for 1 hour. Bake at 350\u00b0 for 30 to 45 minutes, or until brown.", "After removing from oven, cover with a damp towel.", "Keep covered for about 10 minutes; this makes a nice crust.", "Before placing Kolacky in oven, you can brush dough with egg white.", "Icing is optional."]
["water", "yeast cakes", "flour", "sugar", "butter", "salt", "egg yolks"]