Butterhorns
["1 pkg. dry yeast", "1/4 c. warm water (105~ to 115~)", "1 c. warm milk (105~ to 115~)", "3 egg yolks, beaten", "4 c. all-purpose flour", "1/4 c. sugar", "1 Tbsp. grated lemon rind", "1 tsp. salt", "1 c. butter", "3 Tbsp. butter, melted", "3 Tbsp. sugar", "1 1/2 tsp. ground cinnamon", "2 c. sifted powdered sugar", "2 Tbsp. plus 1 tsp. water"]
["Dissolve yeast in warm water; let stand 5 minutes.", "Add milk and egg yolks, stirring well.", "Combine flour, 1/4 cup sugar, lemon rind and salt in a large mixing bowl.", "Cut in 1 cup butter with pastry blender until mixture resembles coarse meal.", "Add yeast mixture, stirring well."]
["yeast", "warm water", "warm milk", "egg yolks", "all-purpose", "sugar", "lemon rind", "salt", "butter", "butter", "sugar", "ground cinnamon", "powdered sugar", "water"]