Caramel Popcorn
["16 c. popped popcorn or more", "1/2 c. water", "1/2 c. butter", "1/2 tsp. cream of tartar", "2 c. sugar"]
["Boil until slightly brown around edges.", "Add 1/4 teaspoon soda.", "Boil, stirring constantly.", "Pour over popcorn, mix until covered; lay out to dry."]
["water", "butter", "cream of tartar", "sugar"]