Lemon Pie
["1 1/2 c. sugar", "1 tsp. lemon rind", "1/4 c. lemon juice", "3 egg yolks", "1/2 c. flour", "1/4 tsp. salt", "2 c. water", "1 Tbsp. butter"]
["Mix all ingredients except butter.", "Add butter after it boils and gets thick.", "Put in cooked pie shell and make meringue."]
["sugar", "lemon rind", "lemon juice", "egg yolks", "flour", "salt", "water", "butter"]