Lemon Jelly Roll
["1/2 c. water", "1/2 c. sugar", "3 Tbsp. lemon juice", "2 Tbsp. cornstarch", "1 tsp. grated lemon peel", "1/4 tsp. salt", "2 drops yellow food coloring"]
["In 1-quart saucepan, heat ingredients and bring to boiling; stir constantly.", "Boil 1 minute; set aside.", "Cool to room temperature."]
["water", "sugar", "lemon juice", "cornstarch", "salt", "coloring"]