Sweet Potato Roll
["3 eggs", "1 c. sugar", "3/4 c. cooked sweet potatoes", "1 tsp. lemon juice", "3/4 c. self-rising flour", "2 tsp. cinnamon", "1 tsp. ginger", "1/2 tsp. nutmeg", "1 c. fine chopped nuts", "1 c. powdered sugar", "4 Tbsp. butter", "1/2 tsp. vanilla"]
["Beat 3 eggs on high speed for 5 minutes.", "Gradually add sugar; stir in sweet potatoes and lemon juice.", "In another bowl stir flour, cinnamon, ginger and nutmeg.", "Fold into sweet potato mixture.", "Spread into well greased jelly roll pan (15 x 10 x 1-inch).", "Top with chopped nuts.", "Bake at 350\u00b0 for 15 minutes. Turn out on double paper sprinkled with powdered sugar.", "Roll towel and cake together and let cool.", "Unroll cake and spread with filling."]
["eggs", "sugar", "potatoes", "lemon juice", "flour", "cinnamon", "ginger", "nutmeg", "nuts", "powdered sugar", "butter", "vanilla"]